factordb · sequences

Sequence

Start with

Show

whole sequence last 20 terms last term range to

Terminates

Aliquot of 674 length 11 The sequence reaches 1. ↓ .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	674	2×337
↳	Drops below start Descends to 340 and continues as that sequence.
1	Fully factored	3	340	2²×5×17
2	Fully factored	3	416	2⁵×13
3	Fully factored	3	466	2×233
↳	Merges Joins the aliquot sequence of 96 (at index 2 of that sequence) - the terms below continue there.
4	Fully factored	3	236	2²×59
5	Fully factored	3	184	2³×23
6	Fully factored	3	176	2⁴×11
↳	Merges Joins the aliquot sequence of 84 (at index 2 of that sequence) - the terms below continue there.
7	Fully factored	3	196	2²×7²
8	Fully factored	3	203	7×29
↳	Drops below start Descends to 37 and continues as that sequence.
9	Fully factored	2	37	37
10	unit	1	1	-
11	terminus	1	0	-
↳	Terminates The sequence reaches 1 and terminates.

From the command linefdb · curl

fdb

fdb seq view '674' --type 1 --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":"674"},"type":1,"part":"last20","fr":0}}'