factordb · sequences

Sequence

Start with

Show

whole sequence last 20 terms last term range to

Terminates

Aliquot of 150^7 length 127 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
107	Fully factored	5	22904	2³×7×409
108	Fully factored	5	26296	2³×19×173
109	Fully factored	5	25904	2⁴×1619
110	Fully factored	5	24316	2²×6079
111	Fully factored	5	18244	2²×4561
112	Fully factored	5	13690	2×5×37²
113	Fully factored	5	11636	2²×2909
114	Fully factored	4	8734	2×11×397
↳	Merges Joins the aliquot sequence of 2148 (at index 12 of that sequence) - the terms below continue there.
115	Fully factored	4	5594	2×2797
116	Fully factored	4	2800	2⁴×5²×7
117	Fully factored	4	4888	2³×13×47
118	Fully factored	4	5192	2³×11×59
119	Fully factored	4	5608	2³×701
120	Fully factored	4	4922	2×23×107
121	Fully factored	4	2854	2×1427
↳	Drops below start Descends to 1430 and continues as that sequence.
122	Fully factored	4	1430	2×5×11×13
123	Fully factored	4	1594	2×797
↳	Drops below start Descends to 800 and continues as that sequence.
124	Fully factored	3	800	2⁵×5²
125	Fully factored	4	1153	1153
126	unit	1	1	-
127	terminus	1	0	-
↳	Terminates The sequence reaches 1 and terminates.

From the command linefdb · curl

fdb

fdb seq view '150^7' --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":"150^7"},"type":1,"part":"last20","fr":0}}'