factordb · sequences

Sequence

Start with

Show

whole sequence last 20 terms last term range to

Terminates

Mid-divisor concatenation · Base 3 of 9398 length 10 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	9398	2×37×127
1	Fully factored	5	18109	7×13×199
2	Fully factored	5	22312	2³×2789
3	Fully factored	5	55277	167×331
4	Fully factored	6	122074	2×67×911
5	Fully factored	6	293969	13×22613
6	Fully factored	6	790250	2×5³×29×109
7	Fully factored	7	1586665	5×317333
8	Fully factored	7	2974538	2×7×212467
9	Fully factored	7	7652641	7652641
↳	Terminates The sequence reaches a prime and terminates.

From the command linefdb · curl

fdb

fdb seq view '9398' --type 141 --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":"9398"},"type":141,"part":"last20","fr":0}}'