factordb · sequences

Sequence

Start with

Show

whole sequence last 20 terms last term range to

Terminates

Home prime · Base 5 of 123 length 4 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	3	123	3×41
1	Fully factored	3	416	2⁵×13
↳	Merges Joins the sequence of 119 (at index 2 of that sequence) - the terms below continue there.
2	Fully factored	5	39063	3×29×449
3	Fully factored	6	252949	252949
↳	Terminates The sequence reaches a prime and terminates.

From the command linefdb · curl

fdb

fdb seq view '123' --type 5 --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":"123"},"type":5,"part":"last20","fr":0}}'