factordbrpc · fdb
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Terminates
Mid-divisor concatenation · Base 10 of 530 length 9 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 3 530 2×5×53
1 Fully factored 4 1053 34×13
2 Fully factored 4 2739 3×11×83
3 Fully factored 4 3383 17×199
4 Fully factored 5 17199 33×72×13
5 Fully factored 6 117147 3×17×2297
6 Fully factored 6 512297 19×59×457
7 Fully factored 7 4571121 3×1523707
8 Fully factored 8 31523707 31523707
↳ Terminates The sequence reaches a prime and terminates.
From the command linefdb · curl
fdb
fdb seq view '530' --type 143 --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":"530"},"type":143,"part":"last20","fr":0}}'