factordb · sequences

Sequence

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whole sequence last 20 terms last term range to

Terminates

Aliquot variants · Infinitary · σ∞(n) − n of 1190 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	1190	2×5×7×17
1	Fully factored	4	1402	2×701
↳	Continues Reaches 704 and continues as that sequence.
2	Fully factored	3	704	2⁶×11
↳	Merges Joins the sequence of 216 (at index 4 of that sequence) - the terms below continue there.
3	Fully factored	3	316	2²×79
↳	Continues Reaches 84 and continues as that sequence.
4	Fully factored	2	84	2²×3×7
↳	Continues Reaches 76 and continues as that sequence.
5	Fully factored	2	76	2²×19
↳	Continues Reaches 24 and continues as that sequence.
6	Fully factored	2	24	2³×3
7	Fully factored	2	36	2²×3²
↳	Continues Reaches 14 and continues as that sequence.
8	Fully factored	2	14	2×7
↳	Continues Reaches 10 and continues as that sequence.
9	Fully factored	2	10	2×5
↳	Continues Reaches 8 and continues as that sequence.
10	Fully factored	1	8	2³
↳	Continues Reaches 7 and continues as that sequence.
11	Fully factored	1	7	7
12	terminus	1	0	-
↳	Terminates The sequence reaches a prime and terminates.

From the command linefdb · curl

fdb

fdb seq view '1190' --type 61 --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":"1190"},"type":61,"part":"last20","fr":0}}'