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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
2553
150
(show)
4324213618...50
<150>
=
2
·
3
·
5^2
·
257
·
733
·
7553939879
<10>
·
263179152149057
<15>
·
7697572281...83
<118>
Checked
2554
150
(show)
6456251258...90
<150>
=
2
·
3
·
5
·
8671060269733
<13>
·
97029530540323
<14>
·
1436420066555288744108732861502265807
<37>
·
1780744330...51
<86>
Checked
2555
150
(show)
9038751761...42
<150>
=
2
·
3
·
13
·
173
·
1723
·
5203001
·
637725300901167321719194436263
<30>
·
1171641966...57
<107>
Checked
2556
151
(show)
1055322923...90
<151>
=
2
·
3
·
5
·
631
·
7366191963620486080859
<22>
·
7568184755...47
<124>
Checked
2557
151
(show)
1481465999...30
<151>
=
2
·
3
·
5
·
26309
·
58043
·
7522793
·
60574536003445847969
<20>
·
7096546189...79
<113>
Checked
2558
151
(show)
2074249275...70
<151>
=
2
·
3
·
5
·
13
·
37825913
·
4487950615777
<13>
·
924910162980101579
<18>
·
38769026858143207013
<20>
·
8681288239158284539144958652737
<31>
·
1006445410...57
<60>
Checked
2559
151
(show)
3286887455...10
<151>
=
2
·
3
·
5
·
13
·
153420501646342885910245845762079
<33>
·
5493344410...71
<116>
Checked
2560
151
(show)
5208452429...70
<151>
=
2
·
3
·
5
·
21401
·
53644001
·
5027837098446133
<16>
·
280402323247201487492021669884395971
<36>
·
1072678096...33
<87>
Checked
2561
151
(show)
7292417732...46
<151>
=
2
·
3
·
2693
·
1721126342064211
<16>
·
1771133156442684766027
<22>
·
409783693775760356213947
<24>
·
3612977831...43
<87>
Checked
2562
151
(show)
7297833564...50
<151>
=
2
·
3
·
5^4
·
59
·
3298455848...29
<146>
Checked
2563
152
(show)
1125004336...50
<152>
=
2
·
3
·
5^2
·
6101
·
5568637
·
3836763420753554904583
<22>
·
19610555178245374817641
<23>
·
3198556041334327461529155131217023902803181
<43>
·
9172846576...79
<52>
Checked
2564
152
(show)
1665464222...10
<152>
=
2
·
3
·
5
·
30539
·
337201
·
299298651653649244871051663318311
<33>
·
1801215297...63
<108>
Checked
2565
152
(show)
2331792651...70
<152>
=
2
·
3
·
5
·
1866239
·
220720678353972434960671416060835049966209
<42>
·
1886941305...79
<103>
Checked
2566
152
(show)
3264512710...30
<152>
=
2
·
3
·
5
·
7
·
23
·
73421
·
45239063326226947853898149
<26>
·
2034873113...59
<118>
Checked
2567
152
(show)
6079014901...70
<152>
=
2
·
3
·
5
·
11
·
13
·
22307
·
70207
·
84727716509
<11>
·
720321481241
<12>
·
8926032854969296615799946622348997
<34>
·
1660901905...79
<83>
Checked
2568
153
(show)
1106226901...30
<153>
=
2
·
3
·
5
·
11
·
13
·
73
·
3532352720...49
<147>
Checked
2569
153
(show)
2055596148...70
<153>
=
2
·
3
·
5
·
175723
·
517804481
·
19108033457
<11>
·
1326208571489200418382362257553
<31>
·
2971627053...23
<97>
Checked
2570
153
(show)
2877862692...58
<153>
=
2
·
3
·
2311
·
4710350194462761193
<19>
·
6696893213...61
<61>
·
6579491090...81
<69>
Checked
2571
153
(show)
2880353270...66
<153>
=
2
·
3
·
95087
·
182041
·
22824113639
<11>
·
13828783744331
<14>
·
1888584310507217454982465151
<28>
·
11465794661818409275825447795226993608965479
<44>
·
405775390672905129608873337692598076051126473503
<48>
Unchecked
2572
153
(show)
2880445499...34
<153>
=
2
·
3
·
139
·
3453771581...01
<150>
Not all factors known
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