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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 16
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
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Show last 20 elements
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Status
n
Digits
Number
Checked
1842
154
(show)
1511980732...50
<154>
=
2
·
3^2
·
5^2
·
131
·
17959
·
6377962673
<10>
·
131970757879093454482892187573661393463050231
<45>
·
1696760764...97
<91>
Checked
1843
154
(show)
2581444492...70
<154>
=
2
·
3^2
·
5
·
1523
·
3258347216...87
<71>
·
5779935824...13
<78>
Checked
1844
154
(show)
4134718118...42
<154>
=
2
·
3^2
·
857
·
19489
·
1382960200670311
<16>
·
410518512581495077
<18>
·
6255922091924961422431131898263737701
<37>
·
3872302390...49
<76>
Checked
1845
154
(show)
4834751404...58
<154>
=
2
·
3^2
·
379
·
85903
·
8113125761307800417942117469964699743255801823
<46>
·
1016871075...31
<100>
Checked
1846
154
(show)
5668304870...82
<154>
=
2
·
3^2
·
37
·
2113
·
2996207
·
255756525233390807
<18>
·
50737517519911152691
<20>
·
1035980839...81
<105>
Checked
1847
154
(show)
6950923682...86
<154>
=
2
·
3^2
·
17
·
127
·
211358920273840769
<18>
·
9060075379748329240038923
<25>
·
82456693884744488758796183400877
<32>
·
1132763019...97
<76>
Checked
1848
154
(show)
9120873919...34
<154>
=
2
·
3^2
·
28181
·
4698121
·
255607930817
<12>
·
354433739771
<12>
·
4224486899...09
<119>
Checked
1849
155
(show)
1064172502...26
<155>
=
2
·
3^2
·
180907
·
40126351
·
8144313607...01
<140>
Checked
1850
155
(show)
1241547389...22
<155>
=
2
·
3
·
8819
·
12037
·
71625677
·
11521218652604953
<17>
·
327863762201249515597486721
<27>
·
7204666306...79
<95>
Checked
1851
155
(show)
1242035297...78
<155>
=
2
·
3
·
173
·
1196565797...31
<152>
Checked
1852
155
(show)
1256394087...38
<155>
=
2
·
3
·
277
·
433
·
1141200114935548319417
<22>
·
4141383422218333185491
<22>
·
35205330995210347500202053844787
<32>
·
1049279743...77
<75>
Checked
1853
155
(show)
1271289681...78
<155>
=
2
·
3
·
17
·
37
·
563
·
5983209794...69
<148>
Checked
1854
155
(show)
1498524809...62
<155>
=
2
·
3
·
23
·
25867
·
19747968901987174859
<20>
·
123850386916668194705704631
<27>
·
1716401895...93
<103>
Checked
1855
155
(show)
1628952215...58
<155>
=
2
·
3
·
23
·
8479095045437
<13>
·
1456607246...59
<63>
·
9557345558...27
<77>
Checked
1856
155
(show)
1770600234...62
<155>
=
2
·
3
·
11
·
5449
·
27817
·
873139
·
2027057631...61
<139>
Checked
1857
155
(show)
2093379838...38
<155>
=
2
·
3
·
162816257
·
7042626268009
<13>
·
379056642622199
<15>
·
8027129442...29
<118>
Checked
1858
155
(show)
2093379863...62
<155>
=
2
·
3
·
7
·
5605939
·
13993723
·
15494670713891
<14>
·
3984217994...21
<59>
·
1029180780...33
<68>
Checked
1859
155
(show)
2691489591...98
<155>
=
2
·
3
·
19
·
101
·
683
·
514741
·
74221546070714000927669
<23>
·
96581297562227479587103938013832509078776988751
<47>
·
9275428489...01
<72>
Checked
1860
155
(show)
3039295663...02
<155>
=
2
·
3
·
19
·
211
·
257
·
2713
·
5407
·
1399459090039780936350053
<25>
·
2394893193...83
<117>
Unchecked
1861
155
(show)
3418134112...78
<155>
=
2
·
3
·
19
·
281
·
1067033187...17
<151>
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