factordbrpc · fdb
Sign in
Show
Terminates
Inverse home prime · Base 7 of 309 length 10 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
0 Fully factored 3 309 3×103
1 Fully factored 3 724 22×181
2 Fully factored 4 8885 5×1777
3 Fully factored 5 12444 22×3×17×61
4 Fully factored 7 1031221 53×19457
5 Fully factored 7 6673804 22×31×107×503
6 Fully factored 9 414500571 34×281×18211
7 Fully factored 11 14998217454<11> 2×32×11×19×3986767
8 Fully factored 13 3283274378…57<13> 3×774661×1412779
9 Fully factored 13 8144395214…09<13> 8144395214…09<13>
↳ Terminates The sequence reaches a prime and terminates.
From the command linefdb · curl
fdb
fdb seq view '309' --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":"309"},"type":17,"part":"last20","fr":0}}'