factordbrpc · fdb
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Terminates
Mid-divisor concatenation · Base 3 of 657 length 11 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 3 657 32×73
1 Fully factored 3 802 2×401
2 Fully factored 4 1859 11×132
3 Fully factored 4 3302 2×13×127
4 Fully factored 4 6445 5×1289
5 Fully factored 5 12224 26×191
6 Fully factored 5 15743 7×13×173
7 Fully factored 5 22286 2×11×1013
8 Fully factored 5 49127 13×3779
9 Fully factored 5 89072 24×19×293
10 Fully factored 6 213901 213901
↳ Terminates The sequence reaches a prime and terminates.
From the command linefdb · curl
fdb
fdb seq view '657' --type 141 --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":"657"},"type":141,"part":"last20","fr":0}}'