factordbrpc · fdb
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Terminates
Mid-divisor concatenation · Base 8 of 19785 length 6 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 5 19785 3×5×1319
1 Fully factored 5 62759 97×647
2 Fully factored 6 397959 3×109×1217
3 Fully factored 7 1340609 653×2053
4 Fully factored 7 2676741 3×61×14627
5 Fully factored 7 6011171 6011171
↳ Terminates The sequence reaches a prime and terminates.
From the command linefdb · curl
fdb
fdb seq view '19785' --type 142 --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":"19785"},"type":142,"part":"last20","fr":0}}'