factordb · sequences

Sequence

Start with

Show

whole sequence last 20 terms last term range to

Terminates

Second-class home prime · Base 3 of 3904 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.

n	Status	Digits	Term	Factorization
0	Fully factored	4	3904	2⁶×61
1	Fully factored	5	19663	7×53²
2	Fully factored	4	4346	2×41×53
↳	Continues Reaches 3374 and continues as that sequence.
3	Fully factored	4	3374	2×7×241
↳	Merges Joins the sequence of 1558 (at index 2 of that sequence) - the terms below continue there.
4	Fully factored	4	1942	2×971
↳	Continues Reaches 971 and continues as that sequence.
5	Fully factored	3	971	971
↳	Terminates The sequence reaches a prime and terminates.

From the command linefdb · curl

fdb

fdb seq view '3904' --type 136 --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":"3904"},"type":136,"part":"last20","fr":0}}'