factordbrpc · fdb
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Terminates
Mid-divisor concatenation · Base 16 of 40728 length 13 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 40728 23×3×1697
1 Fully factored 6 100001 11×9091
2 Fully factored 6 729987 3×61×3989
3 Fully factored 6 753557 7×83×1297
4 Fully factored 7 2381073 3×793691
5 Fully factored 7 3939419 11×107×3347
6 Fully factored 7 4824339 3×13×123701
7 Fully factored 8 41018165 5×8203633
8 Fully factored 8 92089713 3×19×263×6143
9 Fully factored 9 402602639 223×1805393
10 Fully factored 10 3743124561<10> 33×11×41×97×3169
11 Fully factored 11 45872139835<11> 5×95401×96167
12 Fully factored 12 100838885197<12> 100838885197<12>
↳ Terminates The sequence reaches a prime and terminates.
From the command linefdb · curl
fdb
fdb seq view '40728' --type 144 --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":"40728"},"type":144,"part":"last20","fr":0}}'