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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
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Download .elf file
Status
n
Digits
Number
Checked
1398
107
(show)
7577075912...18
<107>
=
2
·
7
·
8193113
·
4277644967
<10>
·
366871342076367731
<18>
·
181009744322767864828641990271
<30>
·
2325434857521186435419961459692205743103697
<43>
Checked
1399
107
(show)
5412198668...98
<107>
=
2
·
7^2
·
227
·
2480171
·
9809348680...03
<96>
Checked
1400
107
(show)
4073141921...46
<107>
=
2
·
2036570960...73
<107>
Checked
1401
107
(show)
2036570960...76
<107>
=
2^3
·
29
·
233
·
301183447
·
92467301747
<11>
·
58256566529216294955258390550786416901
<38>
·
232215642748196433656295915661854563174891069
<45>
Checked
1402
107
(show)
1930628293...24
<107>
=
2^3
·
89
·
59053
·
33367703
·
1319084799886186385044306313
<28>
·
163749724286549320057280072873
<30>
·
63708459363692026689147319139929997
<35>
Checked
1403
107
(show)
1730035203...76
<107>
=
2^3
·
2557
·
19851578479
<11>
·
13068152151429830361581
<23>
·
3260055534...79
<70>
Checked
1404
107
(show)
1515049405...24
<107>
=
2^3
·
2850811
·
71744473372991
<14>
·
85169024977723
<14>
·
39233859981014507
<17>
·
2771004411...23
<55>
Checked
1405
107
(show)
1325669226...56
<107>
=
2^3
·
29
·
1301
·
4392076474...33
<101>
Checked
1406
107
(show)
1247648380...44
<107>
=
2^4
·
2351
·
1796759
·
127783558627
<12>
·
16835041527067
<14>
·
8581053225...39
<71>
Checked
1407
107
(show)
1170699910...56
<107>
=
2^4
·
13
·
17
·
30559
·
4809347
·
117995754940029534042028702488581
<33>
·
1909157220...17
<60>
Checked
1408
107
(show)
1415784500...04
<107>
=
2^4
·
17
·
19
·
71
·
135789253396234951031
<21>
·
12231882559717171291571581759
<29>
·
2323044861...67
<53>
Checked
1409
107
(show)
1684581680...96
<107>
=
2^4
·
37
·
71
·
2441
·
781596974379876446191035561279179530074675623
<45>
·
2100687102...21
<54>
Checked
1410
107
(show)
1716113337...20
<107>
=
2^4
·
5
·
37
·
6469251484218570479604373
<25>
·
8961902635...99
<78>
Checked
1411
107
(show)
2381687023...80
<107>
=
2^4
·
5
·
293
·
12292958497981718908623919
<26>
·
8265529259...63
<77>
Checked
1412
107
(show)
3174634358...40
<107>
=
2^4
·
5
·
43
·
233
·
46619
·
3387610155073753223507
<22>
·
2507973648...89
<75>
Checked
1413
107
(show)
4410619890...60
<107>
=
2^4
·
5
·
19
·
311
·
751
·
8167
·
690429851
·
1562043044525351028413238813204983137
<37>
·
14105244050619232151621662020500339345023821189607
<50>
Checked
1414
107
(show)
6434248010...60
<107>
=
2^4
·
5
·
53
·
811
·
41413
·
4518293034...13
<96>
Checked
1415
107
(show)
8826798157...28
<107>
=
2^4
·
11
·
173
·
277
·
108517
·
1166287
·
182516747249205787122571519
<27>
·
4530631305...43
<63>
Checked
1416
108
(show)
1000561676...52
<108>
=
2^4
·
17
·
11173
·
4525285712382114054394018612070721452881963
<43>
·
7275438223...09
<58>
Checked
1417
108
(show)
1052244887...28
<108>
=
2^4
·
281
·
1831
·
21286459235961233
<17>
·
6004802807...41
<84>
Checked
1418
107
(show)
9948522404...04
<107>
=
2^4
·
17
·
318559547
·
4235476207
<10>
·
7054042864826220260121971355615310487
<37>
·
38428967171742017532236411900135106236946410201159
<50>
Checked
1419
108
(show)
1046057877...56
<108>
=
2^4
·
8009
·
29633
·
71597
·
122628646730370941
<18>
·
3137581792...39
<76>
Checked
1420
107
(show)
9810290326...44
<107>
=
2^4
·
17
·
59
·
61
·
127^2
·
1487
·
3613
·
240421
·
133295191
·
226709939
·
186410208613377874571
<21>
·
853920823676895410262990116219536859827239866303
<48>
Checked
1421
108
(show)
1117694213...56
<108>
=
2^4
·
17
·
2778884904417868038521461374224344627632635580659
<49>
·
1478711801...97
<57>
Checked
1422
108
(show)
1175222592...84
<108>
=
2^5
·
7
·
37
·
71
·
73
·
233
·
6157324846434345049925467
<25>
·
1906958284...61
<73>
Checked
1423
108
(show)
1628451096...80
<108>
=
2^5
·
5
·
7^2
·
17
·
37
·
181
·
3663833
·
46812241721763310129860599057
<29>
·
1063737155...33
<64>
Checked
1424
108
(show)
3265095203...24
<108>
=
2^5
·
7^2
·
17
·
5684411
·
4667419281281188474997
<22>
·
4616773644...37
<75>
Checked
1425
108
(show)
4652419086...20
<108>
=
2^9
·
5
·
7
·
43
·
13457009
·
1238074811
<10>
·
174831346374480394517
<21>
·
2072801121...59
<66>
Checked
1426
108
(show)
8392516771...80
<108>
=
2^9
·
5
·
7^2
·
39003397
·
10998691440710460881
<20>
·
13139842757676147791077
<23>
·
1186923018...83
<55>
Checked
1427
109
(show)
1501513906...72
<109>
=
2^6
·
7
·
571
·
5869690965...59
<103>
Checked
1428
109
(show)
1909668737...48
<109>
=
2^6
·
7^2
·
53
·
2708267
·
467176360124059507
<18>
·
355143034292490946844017349
<27>
·
2556998524...51
<53>
Checked
1429
109
(show)
2581698965...52
<109>
=
2^6
·
31
·
479
·
71268181
·
428790997171512152051872292767289
<33>
·
8889699623...73
<62>
Checked
1430
109
(show)
2717660288...48
<109>
=
2^6
·
29
·
120064501
·
1219558328...83
<98>
Checked
1431
109
(show)
2861157484...32
<109>
=
2^5
·
101
·
233
·
2729
·
6043
·
22695551
·
6961954353533
<13>
·
6002954966050022484632647390135740187
<37>
·
242896564451972745025774677965106923681
<39>
Checked
1432
109
(show)
2854972030...08
<109>
=
2^5
·
89
·
1002448044...21
<106>
Checked
1433
109
(show)
2828908381...32
<109>
=
2^2
·
4133
·
230501
·
399430489753
<12>
·
138047371159585080289
<21>
·
4205260656461520842735646689
<28>
·
3201536063559852711391714287506433376027
<40>
Checked
1434
109
(show)
2122900588...68
<109>
=
2^2
·
353
·
5436229
·
8519487272228902811
<19>
·
3246263429...31
<80>
Checked
1435
109
(show)
1602700421...92
<109>
=
2^2
·
4006751053...23
<108>
Checked
1436
109
(show)
1202025316...76
<109>
=
2^3
·
1324912214...63
<51>
·
1134061282...69
<58>
Checked
1437
109
(show)
1051772151...24
<109>
=
2^4
·
7
·
139
·
4441
·
1521276202...23
<101>
Checked
1438
109
(show)
1294434934...36
<109>
=
2^4
·
7
·
4347877
·
1320754013
<10>
·
2515244606334863023724337522572680813236101
<43>
·
800170963748564163629273864013453242472308874703
<48>
Checked
1439
109
(show)
1571814510...92
<109>
=
2^4
·
11
·
9931
·
885428801
·
25225245438773
<14>
·
4026304338...59
<80>
Checked
1440
109
(show)
1750764332...28
<109>
=
2^4
·
53
·
2243
·
381167
·
8638639817
<10>
·
1913177815795261343554111
<25>
·
1461122294...63
<63>
Checked
1441
109
(show)
1706893473...64
<109>
=
2^4
·
40013
·
2963923438517
<13>
·
346896306961912237917488351
<27>
·
2593096407...49
<64>
Checked
1442
109
(show)
1600295281...36
<109>
=
2^4
·
613
·
6205819
·
4053178973
<10>
·
47756815628208934321981
<23>
·
2545575037529390794099027
<25>
·
53358488362709240931016739842794976458593
<41>
Checked
1443
109
(show)
1505335357...44
<109>
=
2^4
·
11
·
189905021123
<12>
·
4503852374...03
<95>
Checked
1444
109
(show)
1676396193...68
<109>
=
2^4
·
1949908973399929643
<19>
·
124451102794799146503825823
<27>
·
4317611841...57
<63>
Checked
1445
109
(show)
1571621431...20
<109>
=
2^4
·
5
·
19
·
1033961468...61
<106>
Checked
1446
109
(show)
2274715229...20
<109>
=
2^5
·
5
·
17
·
37
·
496392811
·
1024105071501610226714487803083867273
<37>
·
4446173513...51
<59>
Checked
1447
109
(show)
3569205410...32
<109>
=
2^5
·
73
·
857
·
1773683
·
6186441935371
<13>
·
11511584186087171639
<20>
·
1411451123...33
<65>
Checked
1448
109
(show)
3562242004...48
<109>
=
2^5
·
614723379640505849186807691251904816294637
<42>
·
1810896841...97
<66>
Checked
1449
109
(show)
3450921941...64
<109>
=
2^2
·
11
·
31
·
1416208037
<10>
·
31735011465608265999661
<23>
·
5629308520...43
<74>
Checked
1450
109
(show)
3349721889...68
<109>
=
2^2
·
11
·
137
·
233
·
787
·
115151
·
978151
·
695312377
·
5173930462458358633882563463398787
<34>
·
7478778820222009835715253920482069553738621439
<46>
Checked
1451
109
(show)
3127809373...92
<109>
=
2^2
·
7873
·
16361
·
2027401
·
1270182853
<10>
·
2357351191...47
<85>
Checked
1452
109
(show)
2346889578...52
<109>
=
2^2
·
37
·
113
·
27823
·
960900751
·
1166107513
<10>
·
5542564049741
<13>
·
32884476152414591
<17>
·
27166787632584096292384279
<26>
·
909057761659006387142640173
<27>
Checked
1453
109
(show)
1908649620...88
<109>
=
2^2
·
37
·
1128316448019663359
<19>
·
18505840024084488019361
<23>
·
6176248653...69
<66>
Checked
1454
109
(show)
1521761183...12
<109>
=
2^2
·
37
·
791616134977
<12>
·
1298883348...97
<95>
Checked
1455
109
(show)
1213296078...92
<109>
=
2^2
·
113
·
15731
·
3672640365684646529
<19>
·
607216415858041255759144128795238601
<36>
·
76515623400695734384288606654265762792265822079
<47>
Checked
1456
108
(show)
9288982106...08
<108>
=
2^2
·
47
·
64177665921185352135211338691477
<32>
·
7698858875...33
<74>
Checked
1457
108
(show)
7312602934...64
<108>
=
2^2
·
3677
·
224153764787867018444325870761
<30>
·
20653971502290112511493992092627
<32>
·
10739121608053951380863967382599666622149739
<44>
Checked
1458
108
(show)
5487932499...76
<108>
=
2^2
·
107
·
1327
·
1072613
·
33804058561664612293762476180731837351
<38>
·
2664907673...17
<59>
Checked
1459
108
(show)
4213019250...96
<108>
=
2^2
·
11^2
·
97
·
617
·
683
·
12583
·
7981983004581452339799383
<25>
·
95899349381648703917352037
<26>
·
2210852779092960401699385514374577612925699
<43>
Checked
1460
108
(show)
4000425241...04
<108>
=
2^2
·
11^2
·
79
·
5281937
·
56120171
·
1094771872587847081
<19>
·
3224021078...47
<71>
Checked
1461
108
(show)
3792014702...76
<108>
=
2^2
·
823
·
11626858029500749560989914732115200099
<38>
·
9907128965...97
<67>
Checked
1462
108
(show)
2852074241...24
<108>
=
2^2
·
7130185603...31
<107>
Checked
1463
108
(show)
2139055681...00
<108>
=
2^3
·
5^3
·
941785420572223057
<18>
·
233716472336374458721
<21>
·
9718087479...93
<66>
Checked
1464
108
(show)
2866334612...60
<108>
=
2^3
·
5
·
42473
·
3152467
·
16195773557
<11>
·
1788274859439547
<16>
·
437323419052687269371
<21>
·
105157423050962758509749
<24>
·
40181373066418433271661829
<26>
Checked
1465
108
(show)
3583072155...40
<108>
=
2^3
·
5
·
208850853041
<12>
·
8459059995654998711
<19>
·
5070341417...51
<76>
Checked
1466
108
(show)
4478840194...80
<108>
=
2^3
·
5
·
359
·
6478575088189
<13>
·
61770472503283
<14>
·
7793826022...99
<77>
Checked
1467
108
(show)
5626620968...20
<108>
=
2^3
·
5
·
5343515436481453801495127408935113732000421964617
<49>
·
2632452846...49
<58>
Checked
1468
108
(show)
7033276210...80
<108>
=
2^5
·
5
·
11
·
63839
·
8083847087
<10>
·
7743563075...01
<90>
Checked
1469
109
(show)
1109367869...60
<109>
=
2^5
·
5
·
11
·
17
·
661
·
9421
·
158057017
·
24686096775345400013
<20>
·
247686708533032901696120771
<27>
·
6160934909815960536356923919412594747192733
<43>
Checked
1470
109
(show)
1922862366...52
<109>
=
2^5
·
53
·
199
·
35995877
·
103610702847644877653
<21>
·
199305845154414388657750793
<27>
·
7664641753009090962462854438206891423067434957561
<49>
Checked
1471
109
(show)
1953582328...48
<109>
=
2^5
·
922627
·
791248063
·
29671720055651
<14>
·
1091804442066324273041749729775700236813
<40>
·
2581400205927424627130086739697365758103
<40>
Checked
1472
109
(show)
1892537054...04
<109>
=
2^5
·
139
·
43867
·
9699328717...19
<100>
Checked
1473
109
(show)
1860286087...96
<109>
=
2^5
·
5813394024...03
<107>
Checked
1474
109
(show)
1802152147...56
<109>
=
2^4
·
139
·
8103202102...69
<105>
Checked
1475
109
(show)
1714637564...44
<109>
=
2^3
·
19
·
20224333
·
886291380684028294559235500497524981964949171993
<48>
·
6293293886...13
<51>
Not all factors known
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