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Sequences
Sequence
Aliquot sequence
Home prime base 2
Home prime base 3
Home prime base 4
Home prime base 5
Home prime base 6
Home prime base 7
Home prime base 8
Home prime base 9
Home prime base 10
Home prime base 11
Home prime base 12
Home prime base 13
Home prime base 14
Home prime base 15
Home prime base 16
Home prime base 17
Home prime base 18
Home prime base 19
Home prime base 20
Home prime base 21
Home prime base 22
Home prime base 23
Home prime base 24
Home prime base 25
Home prime base 26
Home prime base 27
Home prime base 28
Home prime base 29
Home prime base 30
Home prime base 31
Home prime base 32
Home prime base 33
Home prime base 34
Home prime base 35
Home prime base 36
Inverse home prime base 2
Inverse home prime base 3
Inverse home prime base 4
Inverse home prime base 5
Inverse home prime base 6
Inverse home prime base 7
Inverse home prime base 8
Inverse home prime base 9
Inverse home prime base 10
Inverse home prime base 11
Greatest prime factor ^2+1
Greatest prime factor ^2+2
Greatest prime factor ^2-1
Greatest prime factor ^2-2
Greatest prime factor ^3+1
Greatest prime factor ^3-1
Silvester/Euclid sequence
Start with
Show whole sequence
Show last 20 elements
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Status
n
Digits
Number
Checked
0
148
(show)
(
19
)^115 = (
19
)^115
Checked
1
146
(show)
(19^115-1)/18
<146>
=
151
·
277
·
461
·
911
·
2347
·
9661
·
1625377111
<10>
·
16497763013
<11>
·
1335495402823
<13>
·
1424127720880231
<16>
·
3116089164...61
<82>
Checked
2
144
(show)
8922613367...71
<144>
=
73
·
74413
·
78341443
·
81691769
·
2566554752...37
<122>
Checked
3
143
(show)
1223493557...69
<143>
=
877
·
3511
·
3973482128...27
<136>
Checked
4
140
(show)
1743961306...39
<140>
=
477029751842037473501298125393
<30>
·
104979482559170804963928604020135738421
<39>
·
3482466526...63
<72>
Checked
5
110
(show)
3655875356...13
<110>
=
17
·
8191
·
91456697
·
244616204447
<12>
·
1173558646...81
<86>
Checked
6
109
(show)
2155241168...55
<109>
=
5
·
53
·
176977
·
4595504241...11
<101>
Checked
7
108
(show)
4798610364...09
<108>
=
1109
·
679232295689659656349
<21>
·
3872769238469847045271326456679823
<34>
·
1644917019...63
<51>
Checked
8
105
(show)
4326970571...91
<105>
=
331
·
172147
·
7593753388...63
<97>
Checked
9
103
(show)
1309762990...13
<103>
=
2447
·
2036404459571712707
<19>
·
42539663751241372171
<20>
·
98008723489150650596419
<23>
·
63042861913741935780889028278423142353
<38>
Checked
10
99
(show)
5352525503...27
<99>
=
941
·
1741
·
300295796411773
<15>
·
1087980465...79
<79>
Checked
11
96
(show)
8765789218...53
<96>
=
9895631
·
796269972784978576273
<21>
·
1112467141...31
<69>
Checked
12
89
(show)
8858241801...23
<89>
=
197
·
1579
·
2967509764525578717988437892272666108649
<40>
·
95963707457920885845788927139423749281214029
<44>
Checked
13
87
(show)
5060420455...77
<87>
=
7
·
557
·
1639229
·
139583759330866646396151873395706281717
<39>
·
567229550679310510847526219710038991111
<39>
Checked
14
86
(show)
7333037543...43
<86>
=
37
·
4799
·
2476469
·
24922213
·
232359343
·
2925267953
<10>
·
9844329507487247850964069535957643639111830571247
<49>
Checked
15
85
(show)
1997629155...57
<85>
=
816991619
·
50348681733547
<14>
·
4856340870...49
<62>
Checked
16
76
(show)
2445143284...43
<76>
=
13
·
63439
·
21684188684895135583
<20>
·
1636019777522577647209
<22>
·
83574330421899014834496091367
<29>
Checked
17
75
(show)
1881294530...57
<75>
=
13
·
937
·
631153
·
14890989689
<11>
·
100430021064863033
<18>
·
16362591273749093388490266327938699977
<38>
Checked
18
74
(show)
1468804074...83
<74>
=
223
·
761
·
29753
·
16643533
·
227761637429
<12>
·
23613236948573
<14>
·
32498398786666708531779573082817
<32>
Checked
19
71
(show)
8575059736...97
<71>
=
37
·
115140100739
<12>
·
50820206114511888748235021
<26>
·
396070414486402589259009807838399
<33>
Checked
20
70
(show)
2317583713...03
<70>
=
61
·
331
·
1973
·
27901
·
2085118526...21
<58>
Checked
21
68
(show)
4639195950...01
<68>
=
1478513
·
4565495177
<10>
·
4894436219
<10>
·
129208086923
<12>
·
10867691735958194167260362730973
<32>
Checked
22
62
(show)
3139744343...39
<62>
=
97
·
197
·
281
·
1831
·
92921
·
5657429
·
119577986093762003
<18>
·
50801605764668208292543
<23>
Checked
23
60
(show)
6159901151...21
<60>
=
491
·
56933623
·
44154566711
<11>
·
76970586609379
<14>
·
6483701402761159534519213
<25>
Checked
24
58
(show)
1254573208...99
<58>
=
19
·
36686941
·
4385071087
<10>
·
340946957831
<12>
·
1203836338517792191062971773
<28>
Checked
25
56
(show)
6603020514...61
<56>
=
19
·
3257
·
4278619
·
249383474641702147887837540074651195286290693
<45>
Checked
26
55
(show)
3496630542...39
<55>
=
863
·
2328220699443633433877
<22>
·
1740262672345492951089547177289
<31>
Checked
27
52
(show)
4051715576...41
<52>
=
17
·
1047373
·
8003970135163
<13>
·
229548908128811
<15>
·
123853408951928857
<18>
Checked
28
51
(show)
2383403063...67
<51>
=
53
·
109
·
6599
·
69021605557409
<14>
·
90579921483249451912300591381
<29>
Checked
29
49
(show)
6761988700236689836684973818797453770412664498333
<49>
=
7
·
17
·
16910981
·
3360150097488164810148240026738180074447
<40>
Checked
30
49
(show)
1420586345255876609027870018236785230639160964451
<49>
=
13
·
193
·
310280592227
<12>
·
1824787775492312384151466245431557
<34>
Checked
31
48
(show)
117202619960303456427559198464457278349705039933
<48>
=
39541
·
9675843319
<10>
·
326558544797
<12>
·
938079817279789627691
<21>
Checked
32
43
(show)
2964090769598872184903158763299329438039107
<43>
=
277
·
421
·
288529
·
88092749165668375035002343853499
<32>
Checked
33
41
(show)
17777036352951889826837066032530009140893
<41>
=
89
·
169427
·
180511374165641
<15>
·
6531037246736065391
<19>
Checked
34
39
(show)
199848084879673228187885546861907596387
<39>
=
10453
·
19118730018145338963731516967560279
<35>
Checked
35
35
(show)
19118730018145338963731516967570733
<35>
=
71
·
149
·
181265393
·
9970100276277989616239
<22>
Checked
36
33
(show)
399398853684278362477528936877267
<33>
=
27583
·
309193
·
15335931887
<11>
·
3053693822539
<13>
Checked
37
29
(show)
15771710845652425484677796653
<29>
=
7
·
113
·
19938951764415202888341083
<26>
Checked
38
28
(show)
2412613163494239549489271955
<28>
=
5
·
7
·
43
·
211
·
4485157
·
1693912949070733
<16>
Checked
39
27
(show)
989107197141795866903695213
<27>
=
7
·
43
·
149
·
43005250441
<11>
·
512824915157
<12>
Checked
40
27
(show)
175352657267511870687645587
<27>
=
7
·
359
·
69778216182853907953699
<23>
Checked
41
26
(show)
25608605339107384219010413
<26>
=
7
·
25055568089
<11>
·
146010347013731
<15>
Checked
42
25
(show)
3658372192469338109084627
<25>
=
7^2
·
11
·
233
·
9439
·
3086151308838239
<16>
Checked
43
25
(show)
1004582207427843834108973
<25>
=
173
·
2890231
·
2009124381043271
<16>
Checked
44
22
(show)
5807183156589878615123
<22>
=
11
·
13
·
827
·
41223781
·
1191176603
<10>
Checked
45
22
(show)
1023491588998077794989
<22>
=
2122427
·
3051259
·
158041973
Checked
46
15
(show)
824135780823731
<15>
=
23
·
37
·
59
·
1399
·
11732741
Checked
47
14
(show)
74686118312269
<14>
=
2113
·
13127
·
2692619
Checked
48
11
(show)
41065958771
<11>
=
43
·
2243
·
425779
Checked
49
9
(show)
973855309
=
7
·
3067
·
45361
Checked
50
9
(show)
139509619
=
2521
·
55339
Checked
51
5
(show)
57861
=
3^3
·
2143
Checked
52
5
(show)
27899
=
23
·
1213
Checked
53
4
(show)
1237
=
1237
Prime
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