factordb · sequences

Sequence

Start with

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whole sequence last 20 terms last term range to

Terminates

Mid-divisor concatenation · Base 10 of 13976 length 7 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	5	13976	2³×1747
1	Fully factored	5	81747	3²×31×293
2	Fully factored	6	279293	7×17×2347
3	Fully factored	7	1192347	3³×13×43×79
4	Fully factored	8	10271161	431×23831
5	Fully factored	8	43123831	5783×7457
6	Fully factored	8	57837457	57837457
↳	Terminates The sequence reaches a prime and terminates.

From the command linefdb · curl

fdb

fdb seq view '13976' --type 143 --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":"13976"},"type":143,"part":"last20","fr":0}}'