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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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Download .elf file
Status
n
Digits
Number
Checked
1681
150
(show)
8315542936...40
<150>
=
2^7
·
3^3
·
5
·
17
·
23
·
67^2
·
96587
·
22605924163939
<14>
·
131683986676158859
<18>
·
12512897628093889309
<20>
·
250648643904768093956682405371778691
<36>
·
30403483715068230095500229154442264432274178862429
<50>
Checked
1682
151
(show)
2471678666...60
<151>
=
2^7
·
3^3
·
5
·
17
·
23^2
·
89
·
109
·
401
·
1493
·
29389
·
2959035607031178079057171
<25>
·
38690213488712198822392500669067
<32>
·
8139296445...81
<72>
Checked
1683
151
(show)
7448024428...40
<151>
=
2^7
·
3^3
·
5
·
17
·
15552057133
<11>
·
1630273952...83
<136>
Checked
1684
152
(show)
2048206717...60
<152>
=
2^7
·
3^3
·
5
·
13
·
17
·
233
·
491
·
26669
·
5769184061972021
<16>
·
2034946676...37
<56>
·
1497359910...53
<65>
Checked
1685
152
(show)
6276128651...40
<152>
=
2^7
·
3^3
·
5
·
13
·
17
·
107
·
734557
·
445337497751
<12>
·
220883292633536349022847
<24>
·
5387621539...23
<51>
·
3945457172...57
<52>
Checked
1686
153
(show)
1930668795...60
<153>
=
2^7
·
3^3
·
5
·
17
·
6572265780...91
<147>
Checked
1687
153
(show)
5309339187...40
<153>
=
2^8
·
3^3
·
5
·
17
·
23
·
47
·
5477
·
3275941432136719
<16>
·
4881621420915489553
<19>
·
134996047685350111557176736949
<30>
·
6476698856615366319119222065135007
<34>
·
10916273252109794908981993789456997349658271
<44>
Checked
1688
154
(show)
1595385645...60
<154>
=
2^8
·
3^3
·
5
·
17
·
419
·
826142275814419
<15>
·
15206141838320009
<17>
·
2964847409628996615149830055410407469703
<40>
·
1740014115...59
<75>
Checked
1689
154
(show)
4413347809...40
<154>
=
2^8
·
3^3
·
5
·
41
·
1533629
·
59894943319
<11>
·
9657088428038228003348371212710023
<34>
·
3511186400...63
<97>
Checked
1690
155
(show)
1162989955...60
<155>
=
2^8
·
3^4
·
5
·
42879774621675661
<17>
·
7078826930...39
<66>
·
3695448777...93
<67>
Checked
1691
155
(show)
2998400781...60
<155>
=
2^5
·
3
·
5
·
7013
·
15238670791
<11>
·
1371126484589
<13>
·
3434929163357542554358691573
<28>
·
42131685971097982858424359741
<29>
·
2945732971...17
<70>
Checked
1692
155
(show)
6447908460...00
<155>
=
2^5
·
3
·
5^2
·
1097
·
316293926651
<12>
·
3016272648601
<13>
·
5580975069200501689
<19>
·
4599699528...91
<106>
Checked
1693
156
(show)
1455916570...20
<156>
=
2^5
·
3
·
5
·
23
·
241
·
929
·
195878681
·
7876729236...53
<66>
·
3817698007...09
<72>
Checked
1694
156
(show)
3354647559...80
<156>
=
2^5
·
3
·
5
·
71
·
9843449412...71
<151>
Checked
1695
156
(show)
7361325208...28
<156>
=
2^5
·
3
·
2377
·
42747478691
<11>
·
74500150866059
<14>
·
1014747650128975352413
<22>
·
9982283013...47
<105>
Checked
1696
157
(show)
1197028281...12
<157>
=
2^5
·
3
·
167
·
173^2
·
453301
·
26277649
·
58855961
·
6429692730655629923675790221
<28>
·
76249076254076590436827547849
<29>
·
7258319075...59
<70>
Checked
1697
157
(show)
1982371090...88
<157>
=
2^5
·
3
·
562759600026671
<15>
·
1390919220926637416212060264830239993
<37>
·
2638085711...01
<104>
Checked
1698
157
(show)
3221353021...84
<157>
=
2^5
·
3
·
11
·
67
·
239
·
118799
·
3423839
·
2466722658048631335592342669044622015763324535137
<49>
·
1898695217...79
<90>
Checked
1699
157
(show)
6180369357...16
<157>
=
2^5
·
3
·
11
·
1361
·
367649
·
8830707743...23
<57>
·
1324535145...63
<89>
Unchecked
1700
158
(show)
1153101316...84
<158>
=
2^5
·
3
·
59
·
2035842719...31
<154>
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