Properties of the First 5000 Integers  

This is a list of numbers with fairly mundane properties, such as being a square or a prime number.

In addition, for most numbers it gives the classical sequence for which the number is generated with the lowest cost, defined as the sum of a sequence's complexity score (see here for details) and a value of N for which AN equals the number.

If this sort of thing interests you, check out my numbers and large numbers pages too.

N properties
0 = subfactorial1
1 = triangle1, Fibonacci1, Fibonacci2, Lucas1, factorial1, highly composite1 (with 1 factor), tetrahedral1, hexagonal1, subfactorial2, catalan0, catalan1, square pyramidal1; generated by MCS220 with cost 2
2 = prime1, Fibonacci3, Lucas0, factorial2, highly composite2 (with 2 factors), subfactorial3, catalan2; generated by MCS15520 with cost 2
3 = triangle2, prime2, Fibonacci4, Lucas2, twin prime #1 (with 5), Mersenne1, hexagonal1.5; generated by MCS15584 with cost 3
4 = 22, Lucas3, highly composite3 (with 3 factors), tetrahedral2; generated by MCS15520 with cost 3
5 = prime3, Fibonacci5, twin prime #2 (with 7), catalan3, square pyramidal2; generated by MCS62112 with cost 4
6 = triangle3, factorial3, Perfect1, highly composite4 (with 4 factors); generated by MCS62083 with cost 4
7 = prime4, Lucas4, Mersenne2, hexagonal2; generated by MCS978 with cost 4
8 = 23, Fibonacci6; generated by MCS15520 with cost 4
9 = 32, subfactorial4; generated by MCS15584 with cost 4
10 = triangle4, tetrahedral3; generated by MCS62368 with cost 5
11 = prime5, Lucas5, twin prime #3 (with 13); generated by MCS250498 with cost 5
12 = highly composite5 (with 6 factors), hexagonal2.5; generated by MCS62083 with cost 5
13 = prime6, Fibonacci7; generated by MCS979 with cost 5
14 = catalan4, square pyramidal3; generated by MCS1936 with cost 6
15 = triangle5; generated by MCS978 with cost 5
16 = 24, 42; generated by MCS15520 with cost 5
17 = prime7, twin prime #4 (with 19); generated by MCS125664 with cost 6
18 = Lucas6; generated by MCS62338 with cost 5
19 = prime8, hexagonal3; generated by MCS249474 with cost 6
20 = tetrahedral4; generated by MCS248450 with cost 6
21 = triangle6, Fibonacci8; generated by MCS3915 with cost 6
23 = prime9; generated by MCS250498 with cost 6
24 = factorial4, highly composite6 (with 8 factors); generated by MCS30992 with cost 6
25 = 52; generated by MCS62400 with cost 6
26 generated by MCS970 with cost 7
27 = 33, hexagonal3.5; generated by MCS15584 with cost 5
28 = triangle7, Perfect2; generated by MCS3536 with cost 7
29 = prime10, Lucas7, twin prime #5 (with 31); generated by MCS61972 with cost 7
30 = square pyramidal4; generated by MCS1930 with cost 7
31 = prime11, Mersenne3; generated by MCS978 with cost 6
32 = 25; generated by MCS15520 with cost 6
33 generated by MCS1692 with cost 8
34 = Fibonacci9; generated by MCS62344 with cost 7
35 = tetrahedral5; generated by MCS250800 with cost 7
36 = 62, triangle8, highly composite7 (with 9 factors); generated by MCS3872 with cost 7
37 = prime12, hexagonal4; generated by MCS30980 with cost 7
38 generated by MCS124240 with cost 7
39 generated by MCS3858 with cost 7
40 generated by MCS979 with cost 6
41 = prime13, twin prime #6 (with 43); generated by MCS3912 with cost 7
42 = catalan5; generated by MCS250528 with cost 7
43 = prime14; generated by MCS248450 with cost 7
44 = subfactorial5; generated by MCS3888 with cost 8
45 = triangle9; generated by MCS250784 with cost 7
46 generated by MCS125600 with cost 7
47 = prime15, Lucas8; generated by MCS124048 with cost 7
48 = highly composite8 (with 10 factors), hexagonal4.5; generated by MCS62083 with cost 7
49 = 72; generated by MCS249538 with cost 7
50 generated by MCS1762 with cost 8
51 generated by MCS14130 with cost 8
52 generated by MCS3882 with cost 8
53 = prime16; generated by MCS125664 with cost 7
54 generated by MCS62338 with cost 6
55 = triangle10, Fibonacci10, square pyramidal5; generated by MCS1936 with cost 8
56 = tetrahedral6; generated by MCS6674 with cost 8
57 generated by MCS970 with cost 8
58 generated by MCS62112 with cost 7
59 = prime17, twin prime #7 (with 61); generated by MCS249474 with cost 7
60 = highly composite9 (with 12 factors); generated by MCS62352 with cost 7
61 = prime18, hexagonal5; generated by MCS61972 with cost 8
62 generated by MCS1962 with cost 8
63 generated by MCS62384 with cost 7
64 = 26, 43, 82; generated by MCS62176 with cost 6
65 generated by MCS976 with cost 7
66 = triangle11; generated by MCS7080 with cost 9
67 = prime19; generated by MCS250754 with cost 7
68 generated by MCS3528 with cost 8
69 generated by MCS14152 with cost 9
70 generated by MCS248736 with cost 7
71 = prime20, twin prime #8 (with 73); generated by MCS496194 with cost 8
72 generated by MCS15490 with cost 8
73 = prime21; generated by MCS61962 with cost 8
74 generated by MCS213520 with cost 9
75 = hexagonal5.5; generated by MCS3859 with cost 8
76 = Lucas9; generated by MCS433280 with cost 8
77 generated by MCS31308 with cost 10
78 = triangle12; generated by MCS7722 with cost 8
79 = prime22; generated by MCS3906 with cost 7
80 generated by MCS1963 with cost 8
81 = 34, 92; generated by MCS15584 with cost 6
82 generated by MCS7848 with cost 8
83 = prime23; generated by MCS15658 with cost 9
84 = tetrahedral7; generated by MCS124240 with cost 8
85 generated by MCS3915 with cost 7
86 generated by MCS7828 with cost 8
87 generated by MCS15654 with cost 8
88 generated by MCS500880 with cost 8
89 = prime24, Fibonacci11; generated by MCS250528 with cost 8
90 generated by MCS62088 with cost 8
91 = triangle13, hexagonal6, square pyramidal6; generated by MCS1936 with cost 9
92 generated by MCS30984 with cost 9
93 generated by MCS1978 with cost 9
94 generated by MCS125600 with cost 8
95 generated by MCS250498 with cost 8
96 generated by MCS62083 with cost 8
97 = prime25; generated by MCS860704 with cost 10
98 generated by MCS1762 with cost 10
99 generated by MCS62368 with cost 7
100 = 102; generated by MCS3872 with cost 8
101 = prime26, twin prime #9 (with 103); generated by MCS30980 with cost 8
102 generated by MCS123922 with cost 9
103 = prime27; generated by MCS250800 with cost 8
105 = triangle14; generated by MCS61992 with cost 7
106 generated by MCS251152 with cost 8
107 = prime28, twin prime #10 (with 109); generated by MCS1721602 with cost 10
108 = hexagonal6.5; generated by MCS1763 with cost 10
109 = prime29; generated by MCS1692 with cost 9
110 generated by MCS7746 with cost 9
111 generated by MCS62344 with cost 8
112 generated by MCS3886 with cost 9
113 = prime30; generated by MCS124040 with cost 10
114 generated by MCS3882 with cost 9
115 generated by MCS6692 with cost 9
116 generated by MCS213568 with cost 8
117 generated by MCS124752 with cost 8
118 generated by MCS15634 with cost 8
119 generated by MCS3876 with cost 8
120 = triangle15, factorial5, highly composite10 (with 16 factors), tetrahedral8; generated by MCS30992 with cost 7
121 = 112; generated by MCS979 with cost 7
122 generated by MCS63200 with cost 8
123 = Lucas10; generated by MCS53824 with cost 10
124 generated by MCS1924 with cost 8
125 = 53; generated by MCS62400 with cost 7
126 generated by MCS1962 with cost 9
127 = prime31, Mersenne4, hexagonal7; generated by MCS978 with cost 8
128 = 27; generated by MCS248706 with cost 7
129 generated by MCS3892 with cost 8
130 generated by MCS1960 with cost 8
131 = prime32; generated by MCS14152 with cost 10
132 = catalan6; generated by MCS14114 with cost 9
133 generated by MCS1710726 with cost 9
134 generated by MCS15701 with cost 10
135 generated by MCS3888 with cost 10
136 = triangle16; generated by MCS1709318 with cost 9
137 = prime33, twin prime #11 (with 139); generated by MCS427168 with cost 8
139 = prime34; generated by MCS250784 with cost 8
140 = square pyramidal7; generated by MCS1936 with cost 10
141 generated by MCS3880 with cost 9
142 generated by MCS431112 with cost 9
143 generated by MCS869184 with cost 10
144 = 122, Fibonacci12; generated by MCS249538 with cost 8
145 generated by MCS3426566 with cost 9
146 generated by MCS3417114 with cost 9
147 = hexagonal7.5; generated by MCS197153 with cost 10
148 generated by MCS15650 with cost 8
149 = prime35, twin prime #12 (with 151)
150 generated by MCS3524 with cost 10
151 = prime36; generated by MCS6740 with cost 10
152 generated by MCS860936 with cost 10
153 = triangle17; generated by MCS248464 with cost 8
154 generated by MCS213520 with cost 10
156 generated by MCS13440 with cost 10
157 = prime37; generated by MCS248104 with cost 8
158 generated by MCS7842 with cost 8
159 generated by MCS854276 with cost 9
161 generated by MCS125664 with cost 8
162 generated by MCS62338 with cost 7
163 = prime38
164 generated by MCS868928 with cost 9
165 = tetrahedral9; generated by MCS7747 with cost 10
166 generated by MCS61980 with cost 10
167 = prime39
169 = 132, hexagonal8; generated by MCS1684 with cost 9
170 generated by MCS870408 with cost 10
171 = triangle18; generated by MCS252640 with cost 8
172 generated by MCS860196 with cost 10
173 = prime40
174 generated by MCS214024 with cost 10
177 generated by MCS15658 with cost 10
178 generated by MCS124240 with cost 9
179 = prime41, twin prime #13 (with 181); generated by MCS974 with cost 9
180 = highly composite11 (with 18 factors); generated by MCS249474 with cost 8
181 = prime42
182 generated by MCS7746 with cost 10
183 generated by MCS7850 with cost 10
184 generated by MCS250528 with cost 9
185 generated by MCS62384 with cost 8
186 generated by MCS252848 with cost 10
188 generated by MCS7716 with cost 9
189 generated by MCS7812 with cost 9
190 = triangle19; generated by MCS62084 with cost 9
191 = prime43, twin prime #14 (with 193); generated by MCS250498 with cost 9
192 = hexagonal8.5; generated by MCS1934 with cost 9
193 = prime44; generated by MCS7818 with cost 9
194 generated by MCS7844 with cost 9
195 generated by MCS1976 with cost 9
196 = 142; generated by MCS213256 with cost 9
197 = prime45, twin prime #15 (with 199)
198 generated by MCS15528 with cost 10
199 = prime46, Lucas11; generated by MCS861192 with cost 10
200 generated by MCS15490 with cost 9
201 generated by MCS7748 with cost 9
202 generated by MCS250754 with cost 8
203 generated by MCS252560 with cost 9
204 = square pyramidal8; generated by MCS15656 with cost 10
205 generated by MCS62088 with cost 9
206 generated by MCS3912 with cost 8
207 generated by MCS500944 with cost 9
208 generated by MCS3450118 with cost 10
210 = triangle20; generated by MCS247970 with cost 8
211 = prime47; generated by MCS124100 with cost 10
215 generated by MCS3544 with cost 10
216 = 63; generated by MCS880 with cost 9
217 = hexagonal9; generated by MCS3536 with cost 10
218 generated by MCS1741952 with cost 10
219 generated by MCS3427590 with cost 10
220 = tetrahedral10; generated by MCS126212 with cost 10
222 generated by MCS3528 with cost 10
223 = prime48
225 = 152; generated by MCS1668 with cost 9
226 generated by MCS3907 with cost 8
227 = prime49, twin prime #16 (with 229); generated by MCS123922 with cost 10
229 = prime50; generated by MCS248752 with cost 8
231 = triangle21; generated by MCS15648 with cost 10
232 generated by MCS125188 with cost 10
233 = prime51, Fibonacci13; generated by MCS433344 with cost 10
235 generated by MCS124272 with cost 10
238 generated by MCS7754 with cost 9
239 = prime52, twin prime #17 (with 241); generated by MCS124048 with cost 8
240 = highly composite12 (with 20 factors); generated by MCS123970 with cost 8
241 = prime53; generated by MCS124036 with cost 10
242 generated by MCS1963 with cost 9
243 = 35, hexagonal9.5; generated by MCS15584 with cost 7
245 generated by MCS14130 with cost 10
247 generated by MCS970 with cost 10
248 generated by MCS7698 with cost 9
249 generated by MCS14178 with cost 10
250 generated by MCS3522 with cost 9
251 = prime54; generated by MCS433280 with cost 9
252 generated by MCS856896 with cost 10
253 = triangle22; generated by MCS15666 with cost 8
254 generated by MCS1962 with cost 10
255 generated by MCS978 with cost 9
256 = 28, 44, 162; generated by MCS62176 with cost 7
257 = prime55
258 generated by MCS7786 with cost 10
262 generated by MCS248456 with cost 10
263 = prime56
265 = subfactorial6
268 generated by MCS250504 with cost 10
269 = prime57, twin prime #18 (with 271); generated by MCS248354 with cost 10
271 = prime58, hexagonal10; generated by MCS856897 with cost 10
274 generated by MCS3080 with cost 10
276 = triangle23
277 = prime59
280 generated by MCS62008 with cost 8
281 = prime60, twin prime #19 (with 283)
282 generated by MCS15522 with cost 10
283 = prime61; generated by MCS248736 with cost 8
285 = square pyramidal9
286 = tetrahedral11
289 = 172; generated by MCS1724454 with cost 10
292 generated by MCS3848 with cost 9
293 = prime62
300 = triangle24, hexagonal10.5
301 generated by MCS62368 with cost 8
304 generated by MCS6694 with cost 10
306 generated by MCS250800 with cost 9
307 = prime63
311 = prime64, twin prime #20 (with 313)
313 = prime65; generated by MCS6682 with cost 9
316 generated by MCS3858 with cost 8
317 = prime66; generated by MCS15642 with cost 9
318 generated by MCS3880 with cost 10
320 generated by MCS7732 with cost 10
321 generated by MCS123976 with cost 9
322 = Lucas12
324 = 182
325 = triangle25; generated by MCS964 with cost 8
326 generated by MCS976 with cost 8
327 generated by MCS7846 with cost 10
328 generated by MCS6738 with cost 10
331 = prime67, hexagonal11; generated by MCS1720406 with cost 10
335 generated by MCS1577222 with cost 10
337 = prime68
341 generated by MCS3915 with cost 8
343 = 73; generated by MCS880 with cost 10
346 generated by MCS124180 with cost 10
347 = prime69, twin prime #21 (with 349)
348 generated by MCS3338 with cost 10
349 = prime70; generated by MCS62344 with cost 9
351 = triangle26
353 = prime71
355 generated by MCS877120 with cost 10
358 generated by MCS248144 with cost 9
359 = prime72; generated by MCS124752 with cost 9
360 = highly composite13 (with 24 factors); generated by MCS62352 with cost 8
361 = 192
363 = hexagonal11.5
364 = tetrahedral12; generated by MCS979 with cost 8
365 generated by MCS63200 with cost 9
367 = prime73
368 generated by MCS124240 with cost 10
371 generated by MCS249520 with cost 10
373 = prime74
375 generated by MCS3523 with cost 10
376 generated by MCS248450 with cost 10
377 = Fibonacci14
378 = triangle27
379 = prime75
381 generated by MCS856641 with cost 10
382 generated by MCS854278 with cost 9
383 = prime76; generated by MCS250498 with cost 10
384 generated by MCS124200 with cost 8
385 = square pyramidal10
386 generated by MCS62348 with cost 10
388 generated by MCS215048 with cost 10
389 = prime77
397 = prime78, hexagonal12
400 = 202
401 = prime79
405 generated by MCS106524 with cost 10
406 = triangle28
408 generated by MCS1684 with cost 10
409 = prime80
412 generated by MCS7848 with cost 9
419 = prime81, twin prime #22 (with 421)
421 = prime82
422 generated by MCS250784 with cost 9
428 generated by MCS249538 with cost 9
429 = catalan7
431 = prime83, twin prime #23 (with 433)
432 = hexagonal12.5; generated by MCS3522 with cost 10
433 = prime84
435 = triangle29
439 = prime85
441 = 212; generated by MCS3872 with cost 10
442 generated by MCS30980 with cost 10
443 = prime86
445 generated by MCS500880 with cost 9
446 generated by MCS427680 with cost 9
449 = prime87
450 generated by MCS15490 with cost 10
451 generated by MCS61962 with cost 10
453 generated by MCS3886 with cost 10
455 = tetrahedral13; generated by MCS13328 with cost 10
457 = prime88; generated by MCS6674 with cost 9
461 = prime89, twin prime #24 (with 463)
463 = prime90
465 = triangle30
467 = prime91
469 = hexagonal13; generated by MCS1733126 with cost 10
472 generated by MCS3850 with cost 9
473 generated by MCS248232 with cost 9
477 generated by MCS6788 with cost 10
479 = prime92
482 generated by MCS394304 with cost 10
484 = 222
485 generated by MCS125664 with cost 9
486 generated by MCS62338 with cost 8
487 = prime93
491 = prime94
492 generated by MCS6726 with cost 10
496 = triangle31, Perfect3
499 = prime95; generated by MCS431112 with cost 10
503 = prime96; generated by MCS62112 with cost 10
505 generated by MCS62084 with cost 10
506 = square pyramidal11
507 = hexagonal13.5
509 = prime97
511 generated by MCS978 with cost 10
512 = 29, 83; generated by MCS248706 with cost 8
517 generated by MCS7828 with cost 9
518 generated by MCS15654 with cost 9
521 = prime98, Lucas13, twin prime #25 (with 523)
523 = prime99
528 = triangle32
529 = 232
532 generated by MCS251152 with cost 9
541 = prime100
543 generated by MCS974 with cost 10
544 generated by MCS249474 with cost 9
547 = prime101, hexagonal14
550 generated by MCS62384 with cost 9
557 = prime102
560 = tetrahedral14
561 = triangle33
563 = prime103
569 = prime104, twin prime #26 (with 571)
571 = prime105
576 = 242
577 = prime106
587 = prime107
588 = hexagonal14.5
593 = prime108
595 = triangle34
599 = prime109, twin prime #27 (with 601)
601 = prime110
606 generated by MCS6692 with cost 10
607 = prime111; generated by MCS213568 with cost 9
610 = Fibonacci15
613 = prime112
617 = prime113, twin prime #28 (with 619)
619 = prime114
625 = 54, 252; generated by MCS62400 with cost 8
630 = triangle35
631 = prime115, hexagonal15
632 generated by MCS7722 with cost 9
633 generated by MCS3906 with cost 8
634 generated by MCS3475718 with cost 10
641 = prime116, twin prime #29 (with 643)
643 = prime117
645 generated by MCS1924 with cost 9
647 = prime118
650 = square pyramidal12; generated by MCS1930 with cost 9
651 generated by MCS3892 with cost 9
652 generated by MCS1960 with cost 9
653 = prime119
659 = prime120, twin prime #30 (with 661)
661 = prime121; generated by MCS1708678 with cost 9
666 = triangle36
673 = prime122
675 = hexagonal15.5
676 = 262
677 = prime123
680 = tetrahedral15
683 = prime124; generated by MCS252640 with cost 9
691 = prime125
701 = prime126
703 = triangle37
709 = prime127
719 = prime128; generated by MCS3876 with cost 9
720 = factorial6, highly composite14 (with 30 factors); generated by MCS30992 with cost 8
721 = hexagonal16; generated by MCS496450 with cost 10
727 = prime129
728 generated by MCS1963 with cost 10
729 = 36, 93, 272; generated by MCS15584 with cost 8
733 = prime130
739 = prime131
740 generated by MCS1709318 with cost 10
741 = triangle38
743 = prime132
751 = prime133
757 = prime134
761 = prime135
763 generated by MCS3426566 with cost 10
764 generated by MCS3417114 with cost 10
768 = hexagonal16.5; generated by MCS106516 with cost 10
769 = prime136
773 = prime137
780 = triangle39
784 = 282
787 = prime138
797 = prime139
809 = prime140, twin prime #31 (with 811)
811 = prime141
816 = tetrahedral16
817 = hexagonal17
819 = square pyramidal13
820 = triangle40
821 = prime142, twin prime #32 (with 823)
823 = prime143
827 = prime144, twin prime #33 (with 829)
829 = prime145; generated by MCS433280 with cost 10
832 generated by MCS854276 with cost 10
839 = prime146
840 = highly composite15 (with 32 factors)
841 = 292
843 = Lucas14
853 = prime147
857 = prime148, twin prime #34 (with 859)
859 = prime149; generated by MCS868928 with cost 10
861 = triangle41
863 = prime150
867 = hexagonal17.5
877 = prime151
881 = prime152, twin prime #35 (with 883)
883 = prime153
887 = prime154
900 = 302
903 = triangle42
904 generated by MCS3859 with cost 9
907 = prime155
908 generated by MCS62368 with cost 9
911 = prime156
912 generated by MCS248752 with cost 9
914 generated by MCS250800 with cost 10
919 = prime157, hexagonal18
922 generated by MCS248464 with cost 9
929 = prime158
937 = prime159
941 = prime160
945 generated by MCS61992 with cost 8
946 = triangle43
947 = prime161
949 generated by MCS15634 with cost 9
953 = prime162
961 = 312
967 = prime163
969 = tetrahedral17
970 generated by MCS7716 with cost 10
971 = prime164; generated by MCS7812 with cost 10
972 = hexagonal18.5; generated by MCS6724 with cost 10
975 generated by MCS1934 with cost 10
976 generated by MCS7818 with cost 10
977 = prime165; generated by MCS7844 with cost 10
978 generated by MCS1976 with cost 10
983 = prime166
987 = Fibonacci16
988 generated by MCS856640 with cost 10
989 generated by MCS854274 with cost 10
990 = triangle44
991 = prime167
997 = prime168
1000 = 103
1009 = prime169
1013 = prime170
1015 = square pyramidal14
1019 = prime171, twin prime #36 (with 1021)
1021 = prime172
1024 = 210, 45, 322; generated by MCS62176 with cost 8
1027 = hexagonal19
1031 = prime173, twin prime #37 (with 1033)
1033 = prime174
1035 = triangle45
1039 = prime175
1049 = prime176, twin prime #38 (with 1051)
1051 = prime177
1061 = prime178, twin prime #39 (with 1063)
1063 = prime179
1069 = prime180
1072 generated by MCS62344 with cost 10
1081 = triangle46
1083 = hexagonal19.5
1087 = prime181; generated by MCS124752 with cost 10
1088 generated by MCS427328 with cost 10
1089 = 332
1091 = prime182, twin prime #40 (with 1093)
1093 = prime183; generated by MCS979 with cost 9
1094 generated by MCS63200 with cost 10
1097 = prime184
1103 = prime185
1109 = prime186
1117 = prime187
1118 generated by MCS427168 with cost 9
1123 = prime188
1128 = triangle47
1129 = prime189
1136 generated by MCS248736 with cost 9
1140 = tetrahedral18
1141 = hexagonal20
1151 = prime190, twin prime #41 (with 1153)
1153 = prime191
1156 = 342
1163 = prime192
1171 = prime193
1175 generated by MCS213256 with cost 10
1176 = triangle48
1181 = prime194
1187 = prime195
1193 = prime196
1200 = hexagonal20.5
1201 = prime197
1213 = prime198
1217 = prime199
1223 = prime200
1225 = 352, triangle49
1229 = prime201, twin prime #42 (with 1231)
1231 = prime202; generated by MCS7748 with cost 10
1237 = prime203; generated by MCS3912 with cost 9
1238 generated by MCS500944 with cost 10
1240 = square pyramidal15
1249 = prime204
1259 = prime205
1260 = highly composite16 (with 36 factors)
1261 = hexagonal21
1266 generated by MCS7842 with cost 9
1272 generated by MCS250784 with cost 10
1275 = triangle50
1277 = prime206, twin prime #43 (with 1279)
1279 = prime207; generated by MCS249538 with cost 10
1283 = prime208
1289 = prime209, twin prime #44 (with 1291)
1290 generated by MCS7698 with cost 10
1291 = prime210
1296 = 64, 362
1297 = prime211
1301 = prime212, twin prime #45 (with 1303)
1303 = prime213
1307 = prime214
1313 generated by MCS1710726 with cost 10
1319 = prime215, twin prime #46 (with 1321)
1321 = prime216
1323 = hexagonal21.5
1326 = triangle51
1327 = prime217
1330 = tetrahedral19
1331 = 113
1333 generated by MCS15650 with cost 9
1361 = prime218
1364 = Lucas15
1365 generated by MCS3915 with cost 9
1367 = prime219
1369 = 372
1373 = prime220
1378 = triangle52
1381 = prime221
1387 = hexagonal22
1393 generated by MCS1668 with cost 10
1399 = prime222
1409 = prime223
1417 generated by MCS248104 with cost 9
1419 generated by MCS7764 with cost 10
1420 generated by MCS252560 with cost 10
1423 = prime224
1427 = prime225, twin prime #47 (with 1429)
1429 = prime226
1430 = catalan8
1431 = triangle53
1433 = prime227
1438 generated by MCS7754 with cost 10
1439 = prime228; generated by MCS124048 with cost 9
1440 generated by MCS123970 with cost 9
1444 = 382
1447 = prime229
1451 = prime230, twin prime #48 (with 1453)
1452 = hexagonal22.5
1453 = prime231
1457 generated by MCS125664 with cost 10
1458 generated by MCS62338 with cost 9
1459 = prime232
1471 = prime233
1481 = prime234, twin prime #49 (with 1483)
1483 = prime235
1485 = triangle54
1487 = prime236, twin prime #50 (with 1489)
1489 = prime237
1493 = prime238
1496 = square pyramidal16
1499 = prime239
1511 = prime240
1519 = hexagonal23
1521 = 392
1523 = prime241
1531 = prime242
1540 = triangle55, tetrahedral20
1543 = prime243
1549 = prime244
1553 = prime245
1559 = prime246
1567 = prime247
1571 = prime248
1579 = prime249
1583 = prime250
1585 generated by MCS3848 with cost 10
1587 = hexagonal23.5
1596 = triangle56
1597 = prime251, Fibonacci17
1600 = 402
1601 = prime252
1607 = prime253, twin prime #51 (with 1609)
1609 = prime254
1613 = prime255
1619 = prime256, twin prime #52 (with 1621)
1621 = prime257
1627 = prime258
1637 = prime259; generated by MCS249474 with cost 10
1644 generated by MCS62384 with cost 10
1653 = triangle57
1657 = prime260, hexagonal24
1663 = prime261
1667 = prime262, twin prime #53 (with 1669)
1669 = prime263
1680 = highly composite17 (with 40 factors)
1681 = 412
1693 = prime264
1697 = prime265, twin prime #54 (with 1699)
1699 = prime266
1709 = prime267
1711 = triangle58
1721 = prime268, twin prime #55 (with 1723)
1723 = prime269
1728 = 123, hexagonal24.5
1733 = prime270
1741 = prime271
1747 = prime272
1753 = prime273
1759 = prime274
1764 = 422
1770 = triangle59
1771 = tetrahedral21
1777 = prime275
1783 = prime276
1785 = square pyramidal17
1787 = prime277, twin prime #56 (with 1789)
1789 = prime278
1801 = prime279, hexagonal25
1805 generated by MCS15570 with cost 10
1811 = prime280
1822 generated by MCS250754 with cost 10
1823 = prime281
1830 = triangle60
1831 = prime282
1847 = prime283
1849 = 432
1854 = subfactorial7
1861 = prime284
1867 = prime285
1871 = prime286, twin prime #57 (with 1873)
1873 = prime287
1875 = hexagonal25.5
1877 = prime288, twin prime #58 (with 1879)
1879 = prime289
1889 = prime290
1890 generated by MCS247970 with cost 9
1891 = triangle61
1901 = prime291
1907 = prime292
1913 = prime293
1931 = prime294, twin prime #59 (with 1933)
1933 = prime295
1936 = 442
1949 = prime296, twin prime #60 (with 1951)
1951 = prime297, hexagonal26; generated by MCS123976 with cost 10
1953 = triangle62
1956 generated by MCS964 with cost 9
1957 generated by MCS976 with cost 9
1973 = prime298
1979 = prime299
1987 = prime300
1993 = prime301
1997 = prime302, twin prime #61 (with 1999)
1999 = prime303
2003 = prime304
2011 = prime305
2016 = triangle63
2017 = prime306
2024 = tetrahedral22
2025 = 452
2027 = prime307, twin prime #62 (with 2029)
2028 = hexagonal26.5
2029 = prime308
2039 = prime309
2048 = 211; generated by MCS248706 with cost 9
2053 = prime310
2063 = prime311
2069 = prime312
2080 = triangle64
2081 = prime313, twin prime #63 (with 2083)
2083 = prime314
2087 = prime315, twin prime #64 (with 2089)
2089 = prime316
2099 = prime317
2107 = hexagonal27
2109 = square pyramidal18
2111 = prime318, twin prime #65 (with 2113)
2113 = prime319
2116 = 462
2129 = prime320, twin prime #66 (with 2131)
2131 = prime321
2137 = prime322
2141 = prime323, twin prime #67 (with 2143)
2143 = prime324
2145 = triangle65
2153 = prime325
2158 generated by MCS248144 with cost 10
2159 generated by MCS496194 with cost 10
2160 generated by MCS123971 with cost 10
2161 = prime326
2179 = prime327
2187 = 37, hexagonal27.5; generated by MCS15584 with cost 9
2197 = 133
2203 = prime328
2207 = prime329, Lucas16
2209 = 472
2211 = triangle66
2213 = prime330
2221 = prime331
2237 = prime332, twin prime #68 (with 2239)
2239 = prime333
2243 = prime334
2251 = prime335
2267 = prime336, twin prime #69 (with 2269)
2269 = prime337, hexagonal28
2273 = prime338
2278 = triangle67; generated by MCS15666 with cost 9
2281 = prime339
2287 = prime340
2293 = prime341
2297 = prime342
2300 = tetrahedral23
2304 = 482
2309 = prime343, twin prime #70 (with 2311)
2311 = prime344
2333 = prime345
2339 = prime346, twin prime #71 (with 2341)
2341 = prime347
2346 = triangle68
2347 = prime348
2351 = prime349
2352 = hexagonal28.5
2357 = prime350
2365 generated by MCS854278 with cost 10
2371 = prime351
2377 = prime352
2381 = prime353, twin prime #72 (with 2383)
2383 = prime354
2389 = prime355
2393 = prime356
2399 = prime357
2401 = 74, 492
2411 = prime358
2415 = triangle69
2417 = prime359
2423 = prime360
2437 = prime361, hexagonal29
2441 = prime362
2447 = prime363
2459 = prime364
2467 = prime365
2470 = square pyramidal19
2473 = prime366
2474 generated by MCS7848 with cost 10
2477 = prime367
2485 = triangle70
2500 = 502
2503 = prime368
2520 = highly composite18 (with 48 factors); generated by MCS62352 with cost 9
2521 = prime369
2523 = hexagonal29.5
2531 = prime370
2539 = prime371
2543 = prime372
2549 = prime373, twin prime #73 (with 2551)
2551 = prime374
2556 = triangle71
2557 = prime375
2579 = prime376
2584 = Fibonacci18
2591 = prime377, twin prime #74 (with 2593)
2593 = prime378
2600 = tetrahedral24
2601 = 512
2609 = prime379
2611 = hexagonal30
2617 = prime380
2621 = prime381
2628 = triangle72
2633 = prime382
2647 = prime383
2657 = prime384, twin prime #75 (with 2659)
2659 = prime385
2663 = prime386
2671 = prime387
2676 generated by MCS500880 with cost 10
2677 = prime388; generated by MCS500802 with cost 10
2683 = prime389
2687 = prime390, twin prime #76 (with 2689)
2689 = prime391
2693 = prime392
2699 = prime393
2700 = hexagonal30.5
2701 = triangle73
2704 = 522
2707 = prime394
2711 = prime395, twin prime #77 (with 2713)
2713 = prime396; generated by MCS3907 with cost 9
2719 = prime397
2729 = prime398, twin prime #78 (with 2731)
2730 generated by MCS62368 with cost 10
2731 = prime399; generated by MCS252640 with cost 10
2741 = prime400
2744 = 143
2749 = prime401
2753 = prime402
2767 = prime403
2775 = triangle74
2777 = prime404
2789 = prime405, twin prime #79 (with 2791)
2791 = prime406, hexagonal31
2797 = prime407
2801 = prime408, twin prime #80 (with 2803)
2803 = prime409
2809 = 532
2819 = prime410
2833 = prime411
2837 = prime412
2843 = prime413
2850 = triangle75
2851 = prime414
2857 = prime415
2861 = prime416
2870 = square pyramidal20
2879 = prime417
2883 = hexagonal31.5
2887 = prime418
2897 = prime419
2903 = prime420
2909 = prime421
2916 = 542
2917 = prime422
2925 = tetrahedral25
2926 = triangle76
2927 = prime423
2939 = prime424
2953 = prime425
2957 = prime426
2963 = prime427
2969 = prime428, twin prime #81 (with 2971)
2971 = prime429
2977 = hexagonal32
2999 = prime430, twin prime #82 (with 3001)
3001 = prime431
3003 = triangle77
3011 = prime432
3019 = prime433
3023 = prime434
3025 = 552
3037 = prime435
3041 = prime436
3049 = prime437
3061 = prime438
3067 = prime439
3072 = hexagonal32.5
3079 = prime440
3081 = triangle78
3083 = prime441
3089 = prime442
3090 generated by MCS6682 with cost 10
3109 = prime443
3119 = prime444, twin prime #83 (with 3121)
3121 = prime445
3125 = 55; generated by MCS62400 with cost 9
3136 = 562
3137 = prime446
3160 = triangle79
3163 = prime447
3165 generated by MCS3858 with cost 9
3166 generated by MCS15642 with cost 10
3167 = prime448, twin prime #84 (with 3169)
3169 = prime449, hexagonal33
3181 = prime450
3187 = prime451
3191 = prime452
3194 generated by MCS251152 with cost 10
3203 = prime453
3209 = prime454
3217 = prime455
3221 = prime456
3229 = prime457
3240 = triangle80
3249 = 572
3251 = prime458, twin prime #85 (with 3253)
3253 = prime459
3257 = prime460, twin prime #86 (with 3259)
3259 = prime461
3267 = hexagonal33.5
3271 = prime462
3276 = tetrahedral26
3280 generated by MCS979 with cost 10
3299 = prime463, twin prime #87 (with 3301)
3301 = prime464
3307 = prime465
3311 = square pyramidal21
3313 = prime466
3319 = prime467
3321 = triangle81
3323 = prime468
3329 = prime469, twin prime #88 (with 3331)
3331 = prime470
3343 = prime471
3347 = prime472
3359 = prime473, twin prime #89 (with 3361)
3361 = prime474
3364 = 582
3367 = hexagonal34
3371 = prime475, twin prime #90 (with 3373)
3373 = prime476
3375 = 153
3389 = prime477, twin prime #91 (with 3391)
3391 = prime478
3403 = triangle82
3407 = prime479
3413 = prime480
3433 = prime481
3449 = prime482
3457 = prime483
3461 = prime484, twin prime #92 (with 3463)
3463 = prime485
3467 = prime486, twin prime #93 (with 3469)
3468 = hexagonal34.5
3469 = prime487
3481 = 592
3486 = triangle83
3491 = prime488
3499 = prime489
3511 = prime490
3517 = prime491
3527 = prime492, twin prime #94 (with 3529)
3529 = prime493
3533 = prime494
3539 = prime495, twin prime #95 (with 3541)
3541 = prime496
3547 = prime497
3557 = prime498, twin prime #96 (with 3559)
3559 = prime499
3570 = triangle84
3571 = prime500, Lucas17, hexagonal35
3581 = prime501, twin prime #97 (with 3583)
3583 = prime502
3593 = prime503
3600 = 602
3607 = prime504
3613 = prime505
3617 = prime506
3620 generated by MCS7828 with cost 10
3621 generated by MCS15654 with cost 10
3623 = prime507
3631 = prime508
3637 = prime509
3640 generated by MCS62008 with cost 9
3643 = prime510; generated by MCS248752 with cost 10
3654 = tetrahedral27
3655 = triangle85
3659 = prime511
3671 = prime512, twin prime #98 (with 3673)
3673 = prime513
3675 = hexagonal35.5
3677 = prime514
3691 = prime515
3697 = prime516
3701 = prime517
3709 = prime518
3719 = prime519
3721 = 612
3727 = prime520
3733 = prime521
3739 = prime522
3741 = triangle86
3758 generated by MCS213568 with cost 10
3761 = prime523
3767 = prime524, twin prime #99 (with 3769)
3769 = prime525
3779 = prime526
3781 = hexagonal36
3793 = prime527
3795 = square pyramidal22
3797 = prime528
3803 = prime529
3821 = prime530, twin prime #100 (with 3823)
3823 = prime531
3828 = triangle87
3833 = prime532
3840 generated by MCS124200 with cost 9
3844 = 622
3847 = prime533
3851 = prime534, twin prime #101 (with 3853)
3853 = prime535
3863 = prime536
3877 = prime537
3881 = prime538
3888 = hexagonal36.5
3889 = prime539
3906 generated by MCS1924 with cost 10
3907 = prime540
3911 = prime541
3912 generated by MCS1930 with cost 10
3913 generated by MCS3892 with cost 10
3914 generated by MCS1960 with cost 10
3916 = triangle88
3917 = prime542, twin prime #102 (with 3919)
3919 = prime543
3923 = prime544
3929 = prime545, twin prime #103 (with 3931)
3931 = prime546
3943 = prime547
3947 = prime548
3967 = prime549
3969 = 632
3989 = prime550
3997 = hexagonal37
4001 = prime551, twin prime #104 (with 4003)
4003 = prime552
4005 = triangle89
4007 = prime553
4013 = prime554
4019 = prime555, twin prime #105 (with 4021)
4021 = prime556
4027 = prime557
4049 = prime558, twin prime #106 (with 4051)
4051 = prime559
4057 = prime560
4060 = tetrahedral28
4073 = prime561
4079 = prime562
4091 = prime563, twin prime #107 (with 4093)
4093 = prime564
4095 = triangle90
4096 = 212, 46, 84, 163, 642; generated by MCS62176 with cost 9
4099 = prime565
4107 = hexagonal37.5
4111 = prime566
4127 = prime567, twin prime #108 (with 4129)
4129 = prime568
4133 = prime569
4139 = prime570
4153 = prime571
4157 = prime572, twin prime #109 (with 4159)
4159 = prime573
4177 = prime574
4181 = Fibonacci19
4186 = triangle91
4201 = prime575
4211 = prime576
4217 = prime577, twin prime #110 (with 4219)
4219 = prime578, hexagonal38
4225 = 652
4229 = prime579, twin prime #111 (with 4231)
4231 = prime580
4241 = prime581, twin prime #112 (with 4243)
4243 = prime582
4253 = prime583
4259 = prime584, twin prime #113 (with 4261)
4261 = prime585
4271 = prime586, twin prime #114 (with 4273)
4273 = prime587
4278 = triangle92
4283 = prime588
4289 = prime589
4297 = prime590
4324 = square pyramidal23
4327 = prime591
4332 = hexagonal38.5
4337 = prime592, twin prime #115 (with 4339)
4339 = prime593
4349 = prime594
4356 = 662
4357 = prime595
4363 = prime596
4371 = triangle93
4373 = prime597
4374 generated by MCS62338 with cost 10
4391 = prime598
4397 = prime599
4403 generated by MCS427680 with cost 10
4409 = prime600
4421 = prime601, twin prime #116 (with 4423)
4423 = prime602
4441 = prime603
4447 = prime604, hexagonal39
4451 = prime605
4457 = prime606
4463 = prime607
4465 = triangle94
4481 = prime608, twin prime #117 (with 4483)
4483 = prime609
4489 = 672
4493 = prime610
4495 = tetrahedral29
4507 = prime611
4513 = prime612
4517 = prime613, twin prime #118 (with 4519)
4519 = prime614
4523 = prime615
4547 = prime616, twin prime #119 (with 4549)
4549 = prime617; generated by MCS248736 with cost 10
4560 = triangle95
4561 = prime618
4563 = hexagonal39.5
4567 = prime619
4583 = prime620
4591 = prime621
4597 = prime622
4603 = prime623
4621 = prime624
4624 = 682
4626 generated by MCS6674 with cost 10
4637 = prime625, twin prime #120 (with 4639)
4639 = prime626
4643 = prime627
4649 = prime628, twin prime #121 (with 4651)
4651 = prime629
4656 = triangle96
4657 = prime630
4663 = prime631
4673 = prime632
4679 = prime633
4681 = hexagonal40
4691 = prime634
4703 = prime635
4721 = prime636, twin prime #122 (with 4723)
4723 = prime637
4729 = prime638
4733 = prime639
4745 generated by MCS3850 with cost 10
4751 = prime640
4753 = triangle97
4759 = prime641
4761 = 692
4783 = prime642
4787 = prime643, twin prime #123 (with 4789)
4789 = prime644
4793 = prime645
4799 = prime646, twin prime #124 (with 4801)
4800 = hexagonal40.5
4801 = prime647
4813 = prime648
4817 = prime649
4831 = prime650
4851 = triangle98
4861 = prime651
4862 = catalan9
4871 = prime652
4877 = prime653
4889 = prime654
4900 = 702, square pyramidal24
4903 = prime655
4909 = prime656
4913 = 173
4919 = prime657
4921 = hexagonal41
4931 = prime658, twin prime #125 (with 4933)
4933 = prime659
4937 = prime660
4943 = prime661
4950 = triangle99
4951 = prime662
4957 = prime663
4960 = tetrahedral30
4967 = prime664, twin prime #126 (with 4969)
4969 = prime665
4973 = prime666
4987 = prime667
4993 = prime668
4999 = prime669


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