factordb · sequences

Sequence

Start with

Show

whole sequence last 20 terms last term range to

Cycle

Distinct-prime home prime, descending · Base 3 of 141 length 8 Enters a cycle of length 2. ↓ .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	141	3×47
1	Fully factored	3	426	2×3×71
2	Fully factored	4	1928	2³×241
3	Fully factored	3	725	5²×29
4	Fully factored	3	266	2×7×19
5	Fully factored	3	536	2³×67
↳	Continues Reaches 203 and continues as that sequence.
6	Fully factored	3	203	7×29
7	Fully factored	3	268	2²×67
↳	Cycle Enters a cycle of length 2 - a cycle.

From the command linefdb · curl

fdb

fdb seq view '141' --type 131 --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":"141"},"type":131,"part":"last20","fr":0}}'