| 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 the sequence's complexity score (see here for details) and the 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 factors), tetrahedral1, hexagonal1, subfactorial2, catalan0, catalan1; 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; 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; 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 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; 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; 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 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 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 MCS428052 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 MCS248451 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
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
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
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 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
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
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
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
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
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
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
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
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
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
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
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
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
© 1996-2008 Robert P. Munafo.
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This work is licensed under a
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