factordbrpc · fdb
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Terminates
Distinct-prime home prime · Base 16 of 1561 length 28 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
8 Fully factored 9 129146771 13×23×431929
9 Fully factored 10 3514210105<10> 5×7×100406003
10 Fully factored 11 23454290675<11> 52×877×1069751
11 Fully factored 12 358312071863<12> 30871×11606753
12 Fully factored 12 517941041889<12> 3×172647013963<12>
13 Fully factored 13 3471181897…91<13> 23893×145280287
14 Fully factored 13 6413873630…95<13> 5×1282774726…99<13>
15 Fully factored 14 8924370494…79<14> 3×2974790164…93<14>
16 Fully factored 15 8741728317…61<15> 72×91673×194607593
17 Fully factored 16 1994933315…73<16> 73×11×4831×8161×13411
18 Fully factored 17 3464217165…71<17> 3×197×5861619569…81<14>
19 Fully factored 18 2716819687…21<18> 11343229×23951025649<11>
20 Fully factored 18 7795007853…93<18> 7×71×1568412042…69<16>
21 Fully factored 19 8391774517…17<19> 72×14901781×11492633293<11>
22 Fully factored 19 9094493136…41<19> 32×72×320209×64403041189<11>
23 Fully factored 19 3985172331…93<19> 3×13×17×361927×16607818693<11>
24 Fully factored 22 1126501239…53<22> 113×641×10433×11483×129816719
25 Fully factored 24 5343666187…59<24> 107×13109×242257×1572568762…49<13>
26 Fully factored 27 1295968853…37<27> 3×20231001223<11>×2135285411…73<16>
27 Fully factored 28 1019567359…49<28> 1019567359…49<28>
↳ Terminates The sequence reaches a prime and terminates.
From the command linefdb · curl
fdb
fdb seq view '1561' --type 129 --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":129,"part":"last20","fr":0}}'