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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
8
49
(show)
3864679965802668749137117590660760866325069612159
<49>
=
145933807
·
26482417235936761035344727151952945805937
<41>
Checked
9
41
(show)
26482417235936761035344727151953091739745
<41>
=
3^4
·
5
·
1187
·
2843
·
8209
·
115903
·
20365266089782284222947
<23>
Checked
10
41
(show)
21052673114174148096556630881602166587295
<41>
=
3^4
·
5
·
37
·
1316041
·
1067532438124910661589644869167
<31>
Checked
11
41
(show)
17706191563726663981753931801747686641633
<41>
=
3
·
378091580630003
<15>
·
15610143565590953873745737
<26>
Checked
12
40
(show)
5902063854575617101158907810097713050175
<40>
=
3
·
5^2
·
11
·
13
·
401
·
72623
·
73119779
·
258436097833807976399
<21>
Checked
13
40
(show)
5590719930405523002360785212553973861825
<40>
=
3
·
5^2
·
550883903
·
135315139904182267175104714397
<30>
Checked
14
40
(show)
3652603704644019042994314135316557112383
<40>
=
3
·
227
·
1600338983
<10>
·
3351532683517739260564635521
<28>
Checked
15
40
(show)
1238988924896198980542460975461747046593
<40>
=
3
·
7^3
·
11^2
·
59
·
1871
·
90144841632217846226967614593
<29>
Checked
16
39
(show)
915625675765215785749265950409204377407
<39>
=
3
·
7
·
1217
·
35826805797441631871865475228282051
<35>
Checked
17
39
(show)
480759906995869258088562812088316881345
<39>
=
3
·
5
·
7
·
13
·
7639
·
52937
·
127820783
·
875362757
·
7784132441
<10>
Checked
18
39
(show)
466109122855566837968407900371926226495
<39>
=
3
·
5
·
7
·
13
·
66949302353
<11>
·
244793958113
<12>
·
20835705074867
<14>
Checked
19
39
(show)
451767303708283829108878789239915459009
<39>
=
3
·
7
·
263
·
2003
·
26776549
·
1525120643965655032841189
<25>
Checked
20
39
(show)
239602555301619927115315488996621884991
<39>
=
3
·
41983
·
156960637
·
12120093471183453082876807
<26>
Checked
21
38
(show)
79875129979640272198861891447225442753
<38>
=
67
·
421
·
288027317
·
9831527547170328520443187
<25>
Checked
22
37
(show)
1384725299321391159152400750311318911
<37>
=
19
·
1773588875518793
<16>
·
41091980175131587133
<20>
Checked
23
35
(show)
72880278911652988146254267000609009
<35>
=
863
·
1597
·
302954573
·
10384691593
<11>
·
16808277071
<11>
Checked
24
33
(show)
130138791679341628873309357070095
<33>
=
5
·
7
·
83
·
941
·
4451
·
10695803500326049677889
<23>
Checked
25
32
(show)
50720155134681863037566473514225
<32>
=
5^2
·
7
·
23
·
1093
·
11529076650322916137718053
<26>
Checked
26
32
(show)
24351289124976001518190982490127
<32>
=
11
·
236778625000529
<15>
·
9349465378519933
<16>
Checked
27
31
(show)
2213753556816115172945404290113
<31>
=
2213753556816115172945404290113
<31>
Prime
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