factordb · sequences

Sequence

Start with

Show

whole sequence last 20 terms last term range to

Terminates

Mid-divisor concatenation · Base 8 of 3100 length 8 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	3100	2²×5²×31
1	Fully factored	4	3262	2×7×233
2	Fully factored	4	7401	3×2467
3	Fully factored	5	14755	5×13×227
4	Fully factored	5	33507	3³×17×73
5	Fully factored	5	78555	3×5×5237
6	Fully factored	6	496757	17×29221
7	Fully factored	6	586277	586277
↳	Terminates The sequence reaches a prime and terminates.

From the command linefdb · curl

fdb

fdb seq view '3100' --type 142 --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":"3100"},"type":142,"part":"last20","fr":0}}'