factordbrpc · fdb
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Terminates
Mid-divisor concatenation · Base 3 of 218 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 3 218 2×109
1 Fully factored 3 595 5×7×17
2 Fully factored 4 1412 22×353
3 Fully factored 4 3269 7×467
4 Fully factored 4 5570 2×5×557
5 Fully factored 4 7847 7×19×59
6 Fully factored 5 14470 2×5×1447
7 Fully factored 5 23317 7×3331
8 Fully factored 5 49258 2×11×2239
9 Fully factored 6 146581 146581
↳ Terminates The sequence reaches a prime and terminates.
From the command linefdb · curl
fdb
fdb seq view '218' --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":"218"},"type":141,"part":"last20","fr":0}}'