factordbrpc · fdb
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Terminates
Inverse home prime · Base 7 of 2157 length 39 The sequence reaches a prime. ↓ .elf file
Show sequence-development graph
Term size (digits) across the sequence
How the sequence develops - decimal digits of each term vs iteration.
nStatus DigitsTermFactorization
19 Fully factored 26 2122140362…54<26> 2×1532731×6922742356…17<19>
20 Fully factored 27 2793576244…38<27> 2×11×19×6255482131<10>×1068374366…11<15>
21 Fully factored 29 2485364779…90<29> 2×5×11×1185589×6498053417<10>×29327835793<11>
22 Fully factored 31 5618662895…75<31> 52×137×3673×7612859×5866832457…97<17>
23 Fully factored 33 6687540825…26<33> 2×14621×4419563×5174638846…81<22>
24 Fully factored 34 3509559459…05<34> 5×13×67×8058689917…31<30>
25 Fully factored 35 9480968101…96<35> 25×19031×442947187×3514707190…99<21>
26 Fully factored 40 1374187615…11<40> 32×167×581341×1290070271…47<13>×1219109537…31<19>
27 Fully factored 41 8011056769…74<41> 2×131×202679×314130821×1721323116…41<13>×2790016775…33<13>
28 Fully factored 44 5178861480…41<44> 11×151×19390949×1607924299…69<34>
29 Fully factored 46 1090531359…34<46> 2×97×5621295666…61<43>
30 Fully factored 47 1349673089…42<47> 2×11×44053×114661×4746173×2559004970…29<29>
31 Fully factored 48 7003676046…71<48> 3×2334558682…57<48>
32 Fully factored 49 1634191077…02<49> 2×103×7932966396…67<46>
33 Fully factored 50 1904705231…90<50> 2×5×137×4072927×317300777×13672541101<11>×7868287280…33<21>
34 Fully factored 52 2086458008…12<52> 25×179×850063×462144971×2043033347…07<14>×4538390265…89<20>
35 Fully factored 56 9911001904…17<56> 5179×31538569×6067777740…67<45>
36 Fully factored 57 4115306864…45<57> 5×1351849337…87<24>×6088410520…67<33>
37 Fully factored 58 1960410807…83<58> 31×785219×8053684171…47<50>
38 Fully factored 58 3249952059…91<58> 3249952059…91<58>
↳ Terminates The sequence reaches a prime and terminates.
From the command linefdb · curl
fdb
fdb seq view '2157' --type 17 --part last20
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"sequence_view","params":{"start":{"expr":"2157"},"type":17,"part":"last20","fr":0}}'