factordbrpc · fdb
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Terminates
Conway climb · Base 33 of 21 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 2 21 3×7
1 Fully factored 3 106 2×53
2 Fully factored 4 2231 23×97
3 Fully factored 5 25144 23×7×449
4 Fully factored 7 2487725 52×151×659
5 Fully factored 9 198213905 5×53×747977
6 Fully factored 10 6520941635<10> 5×13×79×1269901
7 Fully factored 13 7589175815…54<13> 2×167×941×24146741
8 Fully factored 14 9997709933…19<14> 9997709933…19<14>
↳ Terminates The sequence reaches a prime and terminates.
From the command linefdb · curl
fdb
fdb seq view '21' --type 118 --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":"21"},"type":118,"part":"last20","fr":0}}'