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 7 sequence of
435
Term #1 of the Home prime · Base 16 sequence of
115
Term #1 of the Home prime · Base 15 sequence of
715
Term #1 of the Home prime · Base 19 sequence of
363
Term #1 of the Home prime · Base 20 sequence of
309
Term #1 of the Home prime · Base 21 sequence of
842
Term #1 of the Home prime · Base 24 sequence of
302
Term #1 of the Home prime · Base 25 sequence of
12
Term #1 of the Inverse home prime · Base 22 sequence of
295
Term #1 of the Inverse home prime · Base 30 sequence of
559
Term #1 of the Conway climb · Base 7 sequence of
435
Term #1 of the Conway climb · Base 8 sequence of
368
Term #1 of the Conway climb · Base 15 sequence of
715
Term #1 of the Conway climb · Base 16 sequence of
115
Term #1 of the Conway climb · Base 20 sequence of
309
Term #1 of the Conway climb · Base 21 sequence of
842
Term #1 of the Conway climb · Base 24 sequence of
302
Term #1 of the Conway climb · Base 25 sequence of
12
Term #1 of the Distinct-prime home prime · Base 16 sequence of
115
Term #4 of the Second-class home prime · Base 3 sequence of
1220
Term #2 of the Second-class home prime · Base 10 sequence of
1208
Term #1 of the Second-class home prime · Base 16 sequence of
230
Term #2 of the Mid-divisor concatenation · Base 8 sequence of
84
Term #1 of the Mid-divisor concatenation · Base 16 sequence of
115
Is factor of
Primality
Verified directlyproven prime
Checked deterministically (below 300 digits).
From the command linefdb · curl
fdb
fdb number '1303' --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":"1303"},"decimal":false,"detail":2}}'