factordb · sequences

Sequence

Start with

Show

whole sequence last 20 terms last term range to

Terminates

Second-class home prime · Base 3 of 2238 length 5 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	2238	2×3×373
1	Fully factored	4	2560	2⁹×5
2	Fully factored	5	59045	5×7²×241
3	Fully factored	5	17251	13×1327
↳	Continues Reaches 1327 and continues as that sequence.
4	Fully factored	4	1327	1327
↳	Terminates The sequence reaches a prime and terminates.

From the command linefdb · curl

fdb

fdb seq view '2238' --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":"2238"},"type":136,"part":"last20","fr":0}}'