factordb · sequences

Sequence

Start with

Show

whole sequence last 20 terms last term range to

Terminates

Distinct-prime home prime, descending · Base 3 of 2513 length 12 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	2513	7×359
1	Fully factored	4	3238	2×1619
↳	Merges Joins the sequence of 2310 (at index 2 of that sequence) - the terms below continue there.
2	Fully factored	4	4859	43×113
3	Fully factored	4	9196	2²×11²×19
↳	Merges Joins the sequence of 418 (at index 1 of that sequence) - the terms below continue there.
4	Fully factored	4	1574	2×787
5	Fully factored	4	2363	17×139
6	Fully factored	4	3770	2×5×13×29
7	Fully factored	5	21509	137×157
8	Fully factored	5	38288	2⁴×2393
9	Fully factored	4	7181	43×167
10	Fully factored	5	13570	2×5×23×59
11	Fully factored	5	43649	43649
↳	Terminates The sequence reaches a prime and terminates.

From the command linefdb · curl

fdb

fdb seq view '2513' --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":"2513"},"type":131,"part":"last20","fr":0}}'