factordbrpc · fdb
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Terminates
Mid-divisor concatenation · Base 8 of 416 length 32 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
12 Fully factored 9 473278689 32×13×4045117
13 Fully factored 10 1966979389<10> 19×23×4501097
14 Fully factored 10 7336144489<10> 83×88387283
15 Fully factored 11 11228458707<11> 35×17×2718097
16 Fully factored 11 69309397393<11> 43×1611846451<10>
17 Fully factored 12 370979033907<12> 3×139×889637971
18 Fully factored 12 448639978579<12> 13×146389×235747
19 Fully factored 12 494399195601<12> 3×4657×35387531
20 Fully factored 13 1875191265…19<13> 109×34607×497113
21 Fully factored 13 8340175949…71<13> 32×163×8293×685541
22 Fully factored 14 3450441235…45<14> 32×5×3203×239389547
23 Fully factored 15 1547640171…87<15> 6343×24399182909<11>
24 Fully factored 15 4359120401…57<15> 33×6569×2457739439<10>
25 Fully factored 16 1523539026…35<16> 5×197×1546740128…11<13>
26 Fully factored 16 4333622553…51<16> 3×593×2435987944…69<13>
27 Fully factored 16 7826560731…85<16> 5×7×79×1139587×2483867
28 Fully factored 17 1166826457…33<17> 3×61×149×354461×1207259
29 Fully factored 17 7907335348…43<17> 11×71×1012462912…03<15>
30 Fully factored 18 2199332031…39<18> 35×9050749098…73<15>
31 Fully factored 18 5480924296…37<18> 5480924296…37<18>
↳ Terminates The sequence reaches a prime and terminates.
From the command linefdb · curl
fdb
fdb seq view '416' --type 142 --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":"416"},"type":142,"part":"last20","fr":0}}'