factordbrpc · fdb
Sign in

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 5 digits
↪
Term #1 of the aliquot sequence of 569089 · 2 terms
Term #1 of the Home prime · Base 11 sequence of 3548 · 2 terms
Term #1 of the Inverse home prime · Base 6 sequence of 18875 · 2 terms
Term #1 of the Home prime · Base 14 sequence of 29117 · 2 terms
Term #2 of the Home prime · Base 18 sequence of 2577 · 3 terms
Term #1 of the Home prime · Base 21 sequence of 6501 · 2 terms
Term #2 of the Home prime · Base 22 sequence of 1205 · 3 terms
Term #1 of the Home prime · Base 25 sequence of 1324 · 2 terms
Term #1 of the Inverse home prime · Base 12 sequence of 27467 · 2 terms
Term #2 of the Inverse home prime · Base 18 sequence of 22373 · 3 terms
Term #1 of the Inverse home prime · Base 24 sequence of 31441 · 2 terms
Term #1 of the Conway climb · Base 11 sequence of 3548 · 2 terms
Term #1 of the Conway climb · Base 14 sequence of 29117 · 2 terms
Term #2 of the Conway climb · Base 18 sequence of 1287 · 3 terms
Term #1 of the Conway climb · Base 21 sequence of 6501 · 2 terms
Term #2 of the Conway climb · Base 22 sequence of 1205 · 3 terms
Term #1 of the Conway climb · Base 25 sequence of 1324 · 2 terms
Term #2 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of 11908 · 3 terms
Term #4 of the Second-class home prime · Base 3 sequence of 3630 · 5 terms
Is factor of

Primality

Verified directlyproven prime

Checked deterministically (below 300 digits).

From the command linefdb · curl
fdb
fdb number '32831' --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":"32831"},"decimal":false,"detail":2}}'