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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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Download .elf file
Status
n
Digits
Number
Checked
768
137
(show)
7186697031...32
<137>
=
2^2
·
7
·
13
·
149
·
65532413
·
144329202967211
<15>
·
42698101458037152204338126856467
<32>
·
3281124781...77
<79>
Checked
769
137
(show)
8396229139...68
<137>
=
2^2
·
7
·
11
·
117043
·
983957991691
<12>
·
4633534519478283788652114089
<28>
·
5108567788...53
<90>
Checked
770
137
(show)
9922972771...92
<137>
=
2^2
·
7
·
9039617
·
106832822746268257
<18>
·
3669687094...81
<112>
Checked
771
137
(show)
9922974966...56
<137>
=
2^2
·
7
·
19
·
2269
·
7724597
·
28404281
·
1985430663631
<13>
·
69072774327467
<14>
·
2731961099...13
<91>
Checked
772
138
(show)
1097670899...44
<138>
=
2^2
·
7
·
43
·
131
·
256551067
·
31749398804741431945549147837137131
<35>
·
8544074704...53
<89>
Checked
773
138
(show)
1165873432...48
<138>
=
2^2
·
7
·
19
·
23
·
482483
·
1974830934...21
<128>
Checked
774
138
(show)
1395318363...92
<138>
=
2^2
·
7
·
13
·
131
·
46355796857
<11>
·
6312430063...59
<122>
Checked
775
138
(show)
1632923956...48
<138>
=
2^2
·
7
·
43
·
397
·
18731
·
70223
·
852882143
·
13734879227
<11>
·
5631292654671932251113223
<25>
·
3937192594...39
<79>
Checked
776
138
(show)
1717518109...72
<138>
=
2^2
·
7
·
43
·
21713
·
1865561222692343582005661197
<28>
·
13292407155595339408574748649
<29>
·
2649365423...87
<75>
Checked
777
138
(show)
1797564553...28
<138>
=
2^2
·
7
·
449
·
54851
·
2606727139...49
<129>
Checked
778
138
(show)
1805637211...72
<138>
=
2^2
·
7
·
139
·
232252820262527
<15>
·
1997545444...33
<120>
Checked
779
138
(show)
1831617603...08
<138>
=
2^2
·
7
·
11
·
3438510086055582027819318473639
<31>
·
96440875806361319429294879624024353
<35>
·
1793298742...03
<70>
Checked
780
138
(show)
2164638985...72
<138>
=
2^2
·
7
·
1627
·
14173
·
176989
·
607298397532818568464142837462112608867
<39>
·
3119102838...13
<85>
Checked
781
138
(show)
2167630006...88
<138>
=
2^2
·
7^2
·
47
·
52602750171537286433
<20>
·
4473245920...03
<114>
Checked
782
138
(show)
2338932074...84
<138>
=
2^2
·
7^3
·
3529
·
14533
·
7479929
·
34773443041
<11>
·
1277942745...89
<110>
Checked
783
138
(show)
2436080470...16
<138>
=
2^2
·
7
·
946289951
·
9194103122...97
<127>
Checked
784
138
(show)
2436080475...60
<138>
=
2^2
·
5
·
7
·
1740057482...89
<136>
Checked
785
138
(show)
3410512665...80
<138>
=
2^2
·
5
·
7
·
311
·
7833056190...37
<133>
Checked
786
138
(show)
4801036800...36
<138>
=
2^2
·
7
·
83
·
37199
·
1982128997605876968991
<22>
·
9308972505588469232970362914585039
<34>
·
3009774673...89
<75>
Unchecked
787
138
(show)
4916985671...64
<138>
=
2^2
·
7
·
73
·
2405570289...31
<135>
Not all factors known
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