factordb · sequences

Sequence

Start with

Show

whole sequence last 20 terms last term range to

Terminates

Inverse home prime · Base 3 of 2305 length 8 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	2305	5×461
1	Fully factored	4	4154	2×31×67
2	Fully factored	5	16376	2³×23×89
3	Fully factored	5	65528	2³×8191
4	Fully factored	6	221183	29²×263
5	Fully factored	7	1727921	13×23×5779
6	Fully factored	7	4213525	5²×168541
7	Fully factored	8	13651871	13651871
↳	Terminates The sequence reaches a prime and terminates.

From the command linefdb · curl

fdb

fdb seq view '2305' --type 13 --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":"2305"},"type":13,"part":"last20","fr":0}}'