factordbrpc · fdb
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Terminates
Home prime · Base 7 of 658 length 17 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 3 658 2×7×47
1 Fully factored 4 5192 23×11×59
2 Fully factored 7 1919830 2×5×11×31×563
3 Fully factored 9 110900352 27×3×288803
4 Fully factored 13 1582521341…46<13> 2×23×37×983×945881
5 Fully factored 14 8258278718…30<14> 2×3×5×2309×1192186909<10>
6 Fully factored 15 5932644668…28<15> 22×1483161167…57<15>
7 Fully factored 16 3870404340…69<16> 233×164183×101174771
8 Fully factored 17 5424928749…69<17> 3×41×167×2641024657…09<13>
9 Fully factored 18 3069372402…02<18> 2×3×5115620670…67<17>
10 Fully factored 19 1407624733…84<19> 23×13×34366217×393841813
11 Fully factored 21 4468248522…43<21> 11×29135719×1394180150…27<13>
12 Fully factored 22 2245717164…55<22> 5×13×43×8629×9311352696…61<14>
13 Fully factored 23 4959808746…29<23> 3×1653269582…43<23>
14 Fully factored 24 2136697829…72<24> 22×67×2715837911<10>×293565129989<12>
15 Fully factored 26 5214929521…23<26> 34×6438184595…83<24>
16 Fully factored 28 3864530725…83<28> 3864530725…83<28>
↳ Terminates The sequence reaches a prime and terminates.
From the command linefdb · curl
fdb
fdb seq view '658' --type 7 --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":"658"},"type":7,"part":"last20","fr":0}}'