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 Home prime · Base 15 sequence of
2121
Term #1 of the Home prime · Base 30 sequence of
1313
Term #2 of the Inverse home prime · Base 12 sequence of
2863
Term #2 of the Inverse home prime · Base 24 sequence of
6593
Term #1 of the Inverse home prime · Base 28 sequence of
5473
Term #1 of the Inverse home prime · Base 34 sequence of
1041
Term #2 of the Conway climb · Base 3 sequence of
8006
Term #1 of the Conway climb · Base 15 sequence of
2121
Term #3 of the Conway climb · Base 17 sequence of
165
Term #1 of the Conway climb · Base 30 sequence of
1313
Term #2 of the Second-class home prime · Base 3 sequence of
4736
Term #1 of the Mid-divisor concatenation · Base 3 sequence of
6576
Is factor of
Primality
Verified directlyproven prime
Checked deterministically (below 300 digits).
From the command linefdb · curl
fdb
fdb number '11801' --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":"11801"},"decimal":false,"detail":2}}'