factordb · sequences

Sequence

Start with

Show

whole sequence last 20 terms last term range to

Terminates

Aliquot of 914 length 13 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	914	2×457
↳	Merges Joins the aliquot sequence of 380 (at index 1 of that sequence) - the terms below continue there.
1	Fully factored	3	460	2²×5×23
2	Fully factored	3	548	2²×137
3	Fully factored	3	418	2×11×19
↳	Merges Joins the aliquot sequence of 260 (at index 2 of that sequence) - the terms below continue there.
4	Fully factored	3	302	2×151
↳	Drops below start Descends to 154 and continues as that sequence.
5	Fully factored	3	154	2×7×11
↳	Merges Joins the aliquot sequence of 60 (at index 4 of that sequence) - the terms below continue there.
6	Fully factored	3	134	2×67
7	Fully factored	2	70	2×5×7
8	Fully factored	2	74	2×37
↳	Drops below start Descends to 40 and continues as that sequence.
9	Fully factored	2	40	2³×5
10	Fully factored	2	50	2×5²
11	Fully factored	2	43	43
12	unit	1	1	-
13	terminus	1	0	-
↳	Terminates The sequence reaches 1 and terminates.

From the command linefdb · curl

fdb

fdb seq view '914' --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":"914"},"type":1,"part":"last20","fr":0}}'