factordb · sequences

Sequence

Start with

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whole sequence last 20 terms last term range to

Terminates

Aliquot variants · Quasi · σ(n) − n − 1 of 1122 length 6 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	1122	2×3×11×17
1	Fully factored	4	1469	13×113
↳	Continues Reaches 126 and continues as that sequence.
2	Fully factored	3	126	2×3²×7
3	Fully factored	3	185	5×37
↳	Continues Reaches 42 and continues as that sequence.
4	Fully factored	2	42	2×3×7
5	Fully factored	2	53	53
6	terminus	1	0	-
↳	Terminates The sequence reaches a prime and terminates.

From the command linefdb · curl

fdb

fdb seq view '1122' --type 55 --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":"1122"},"type":55,"part":"last20","fr":0}}'