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 aliquot sequence of
405215
Term #1 of the Inverse home prime · Base 6 sequence of
29263
Term #1 of the Home prime · Base 14 sequence of
8434
Term #4 of the Home prime · Base 18 sequence of
2194
Term #2 of the Home prime · Base 28 sequence of
276
Term #1 of the Home prime · Base 31 sequence of
42934
Term #1 of the Home prime · Base 34 sequence of
4882
Term #1 of the Inverse home prime · Base 13 sequence of
23471
Term #1 of the Inverse home prime · Base 14 sequence of
4263
Term #1 of the Inverse home prime · Base 36 sequence of
29263
Term #1 of the Conway climb · Base 14 sequence of
8434
Term #4 of the Conway climb · Base 18 sequence of
2194
Term #2 of the Conway climb · Base 28 sequence of
276
Term #1 of the Conway climb · Base 31 sequence of
42934
Term #1 of the Conway climb · Base 34 sequence of
4882
Term #3 of the Second-class home prime · Base 16 sequence of
41484
Term #2 of the Mid-divisor concatenation · Base 2 sequence of
45184
Term #2 of the Mid-divisor concatenation · Base 10 sequence of
7636
Is factor of
Primality
Verified directlyproven prime
Checked deterministically (below 300 digits).
From the command linefdb · curl
fdb
fdb number '81049' --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":"81049"},"decimal":false,"detail":2}}'