factordbrpc · fdb
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Conway climb · Base 19 of 32405 length 17 Not fully computed yet - the last known term is composite. ↓ .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 5 32405 5×6481
1 Fully factored 5 40776 23×3×1699
2 Fully factored 7 5365437 3×7×11×23227
3 Fully factored 9 159927094 2×79963547
4 Fully factored 10 1867707025<10> 52×74708281
5 Fully factored 11 86780266964<11> 22×101×14011×15331
6 Fully factored 15 2469598161…43<15> 17×375121×38726299
7 Fully factored 16 1997982337…23<16> 132×29×407668299923<12>
8 Fully factored 18 5512936234…41<18> 57612391×9569011351<10>
9 Fully factored 18 9784636840…82<18> 2×1543×465281×681449177
10 Fully factored 20 3377781488…57<20> 11×4603×6671106764…29<15>
11 Fully factored 21 1771809530…01<21> 646199×970573×282502663
12 Fully factored 22 1430242754…49<22> 181×1091×177043×40909829633<11>
13 Fully factored 24 9928217946…00<24> 22×3×52×4139×3617177×221047119809<12>
14 Fully factored 29 2869131293…93<29> 11×197×1324010749…79<26>
15 Fully factored 30 1566882494…47<30> 3×5222941649…49<29>
16 Composite 30 8257183003…26<30> 2×72×107×7874483123…41<26>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (26 digits) of term #16:
78744831234862798583475941
Check for factors - let the server run a small P-1 / P+1 / ECM step on the composite:
level 0 done · takes up to a minute
From the command linefdb · curl
fdb
fdb seq view '32405' --type 104 --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":"32405"},"type":104,"part":"last20","fr":0}}'