factordbrpc · fdb
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Enter a value, an expression, or a term with a variable like 10^n+1 to list a range. Switch to Database id to look a number up by its stored id. Reading never stores anything; use Create to add a number to the database. See the expression syntax & functions reference.

P · Proven prime
below threshold 6 digits
↪
Term #1 of the aliquot sequence of 791861 · 2 terms
Term #1 of the Home prime · Base 6 sequence of 4548 · 2 terms
Term #4 of the Home prime · Base 8 sequence of 843 · 5 terms
Term #1 of the Home prime · Base 10 sequence of 10571 · 2 terms
Term #1 of the Home prime · Base 11 sequence of 65023 · 2 terms
Term #1 of the Inverse home prime · Base 2 sequence of 94481 · 2 terms
Term #1 of the Inverse home prime · Base 6 sequence of 85249 · 2 terms
Term #2 of the Home prime · Base 12 sequence of 2823 · 3 terms
Term #1 of the Home prime · Base 14 sequence of 72598 · 2 terms
Term #1 of the Home prime · Base 15 sequence of 7602 · 2 terms
Term #1 of the Home prime · Base 22 sequence of 83647 · 2 terms
Term #2 of the Home prime · Base 26 sequence of 406 · 3 terms
Term #1 of the Home prime · Base 28 sequence of 16855 · 2 terms
Term #2 of the Home prime · Base 32 sequence of 19307 · 3 terms
Term #1 of the Home prime · Base 36 sequence of 39638 · 2 terms
Term #1 of the Aliquot variants · Quasi · σ(n) − n − 1 sequence of 84828 · 2 terms
Term #1 of the Inverse home prime · Base 19 sequence of 10955 · 2 terms
Term #1 of the Inverse home prime · Base 33 sequence of 20909 · 2 terms
Term #1 of the Inverse home prime · Base 34 sequence of 36569 · 2 terms
Term #1 of the Conway climb · Base 6 sequence of 4548 · 2 terms
Term #1 of the Conway climb · Base 8 sequence of 44481 · 2 terms
Term #1 of the Conway climb · Base 10 sequence of 14803 · 2 terms
Term #1 of the Conway climb · Base 14 sequence of 72598 · 2 terms
Term #1 of the Conway climb · Base 15 sequence of 7602 · 2 terms
Term #1 of the Conway climb · Base 22 sequence of 83647 · 2 terms
Term #2 of the Conway climb · Base 26 sequence of 406 · 3 terms
Term #1 of the Conway climb · Base 28 sequence of 16855 · 2 terms
Term #2 of the Conway climb · Base 32 sequence of 19307 · 3 terms
Term #1 of the Conway climb · Base 36 sequence of 39638 · 2 terms
Term #1 of the Distinct-prime home prime · Base 8 sequence of 44481 · 2 terms
Term #1 of the Distinct-prime home prime · Base 10 sequence of 14803 · 2 terms
Term #1 of the Distinct-prime home prime, descending · Base 2 sequence of 94481 · 2 terms
Term #1 of the Second-class home prime · Base 8 sequence of 45702 · 2 terms
Term #1 of the Second-class home prime · Base 10 sequence of 21142 · 2 terms
Term #2 of the Mid-divisor concatenation · Base 2 sequence of 60781 · 3 terms
Term #2 of the Mid-divisor concatenation · Base 8 sequence of 38614 · 3 terms
Term #1 of the Mid-divisor concatenation · Base 10 sequence of 14803 · 2 terms
Term #1 of the Mid-divisor concatenation · Base 16 sequence of 68553 · 2 terms
Is factor of

Primality

Verified directlyproven prime

Checked deterministically (below 300 digits).

From the command linefdb · curl
fdb
fdb number '113131' --detail 2
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"expr":"113131"},"decimal":false,"detail":2}}'