P · Proven prime
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.
↪
Term #1 of the Inverse home prime · Base 10 sequence of
369
Term #1 of the Home prime · Base 12 sequence of
1354
Term #1 of the Home prime · Base 24 sequence of
707
Term #1 of the Home prime · Base 28 sequence of
595
Term #1 of the Home prime · Base 34 sequence of
1083
Term #1 of the Aliquot variants · Augmented · σ(n) − n + 1 sequence of
3848
Term #3 of the Inverse home prime · Base 18 sequence of
175
Term #1 of the Inverse home prime · Base 30 sequence of
3151
Term #1 of the Conway climb · Base 12 sequence of
1354
Term #1 of the Conway climb · Base 24 sequence of
707
Term #1 of the Conway climb · Base 28 sequence of
595
Term #1 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of
2853
Term #1 of the Mid-divisor concatenation · Base 16 sequence of
592
Is factor of
Primality
Verified directlyproven prime
Checked deterministically (below 300 digits).
From the command linefdb · curl
fdb
fdb number '4133' --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":"4133"},"decimal":false,"detail":2}}'