factordbrpc · fdb
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Terminates
Conway climb · Base 4 of 1561 length 23 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
3 Fully factored 4 8129 11×739
4 Fully factored 5 12003 3×4001
5 Fully factored 5 16289 7×13×179
6 Fully factored 5 32179 7×4597
7 Fully factored 6 119285 5×23857
8 Fully factored 6 351537 3×37×3167
9 Fully factored 6 941151 3×313717
10 Fully factored 7 3459445 5×11×31×2029
11 Fully factored 8 23984109 32×2664901
12 Fully factored 8 61385157 32×6820573
13 Fully factored 9 241701597 33×17×526583
14 Fully factored 10 1024985335<10> 5×11×17×73×15017
15 Fully factored 11 24500140713<11> 34×2377×127249
16 Fully factored 11 56457818385<11> 3×5×3763854559<10>
17 Fully factored 12 231397121247<12> 3×19709×3913561
18 Fully factored 12 907303171929<12> 3×7×11×47×67×1247291
19 Fully factored 14 6127980190…63<14> 23×71×37525904411<11>
20 Fully factored 15 4095368877…35<15> 3×5×13×193×36677×296693
21 Fully factored 17 1516017350…69<17> 607×254827×98009921
22 Fully factored 17 4278223241…81<17> 4278223241…81<17>
↳ Terminates The sequence reaches a prime and terminates.
From the command linefdb · curl
fdb
fdb seq view '1561' --type 89 --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":"1561"},"type":89,"part":"last20","fr":0}}'