factordbrpc · fdb
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Terminates
Mid-divisor concatenation · Base 10 of 38420 length 21 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
1 Fully factored 6 170226 2×32×72×193
2 Fully factored 6 386441 11×19×432
3 Fully factored 6 473817 3×43×3673
4 Fully factored 7 1293673 41×139×227
5 Fully factored 7 2275699 1033×2203
6 Fully factored 8 10332203 7×1201×1229
7 Fully factored 8 12298407 3×11×29×71×181
8 Fully factored 8 23435249 313×74873
9 Fully factored 8 31374873 32×3486097
10 Fully factored 8 93486097 127×736111
11 Fully factored 9 127736111 3623×35257
12 Fully factored 9 362335257 32×3677×10949
13 Fully factored 10 1103132847<10> 3×367710949
14 Fully factored 10 3367710949<10> 3821×881369
15 Fully factored 10 3821881369<10> 192×251×42179
16 Fully factored 10 4217990611<10> 107×271×145463
17 Fully factored 11 28997145463<11> 11×13×17×11928073
18 Fully factored 12 243111928073<12> 7×71×2111×231719
19 Fully factored 13 2317191049…67<13> 3×772397016389<12>
20 Fully factored 13 3772397016…89<13> 3772397016…89<13>
↳ Terminates The sequence reaches a prime and terminates.
From the command linefdb · curl
fdb
fdb seq view '38420' --type 143 --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":"38420"},"type":143,"part":"last20","fr":0}}'