factordbrpc · fdb
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Terminates
Mid-divisor concatenation · Base 2 of 2568 length 16 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.
nStatus DigitsTermFactorization
0 Fully factored 4 2568 23×3×107
1 Fully factored 4 3179 11×172
2 Fully factored 4 4539 3×17×89
3 Fully factored 4 6617 13×509
4 Fully factored 4 7165 5×1433
5 Fully factored 5 11673 32×1297
6 Fully factored 5 19729 109×181
7 Fully factored 5 28085 5×41×137
8 Fully factored 5 35277 3×11×1069
9 Fully factored 5 68653 13×5281
10 Fully factored 6 111777 3×19×37×53
11 Fully factored 6 163519 101×1619
12 Fully factored 6 208467 33×7×1103
13 Fully factored 6 388175 52×15527
14 Fully factored 6 425127 3×141709
15 Fully factored 6 928141 928141
↳ Terminates The sequence reaches a prime and terminates.
From the command linefdb · curl
fdb
fdb seq view '2568' --type 140 --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":"2568"},"type":140,"part":"last20","fr":0}}'