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 2 sequence of
1591
Term #1 of the Home prime · Base 4 sequence of
430
Term #1 of the Home prime · Base 8 sequence of
1591
Term #1 of the Inverse home prime · Base 6 sequence of
2005
Term #1 of the Inverse home prime · Base 8 sequence of
555
Term #1 of the Home prime · Base 18 sequence of
833
Term #1 of the Home prime · Base 26 sequence of
1149
Term #1 of the Home prime · Base 28 sequence of
177
Term #1 of the Home prime · Base 32 sequence of
242
Term #1 of the Home prime · Base 33 sequence of
466
Term #1 of the Home prime · Base 34 sequence of
124
Term #1 of the Aliquot variants · Quasi · σ(n) − n − 1 sequence of
1788
Term #1 of the Inverse home prime · Base 22 sequence of
1417
Term #1 of the Inverse home prime · Base 33 sequence of
146
Term #1 of the Conway climb · Base 2 sequence of
1591
Term #1 of the Conway climb · Base 4 sequence of
430
Term #1 of the Conway climb · Base 8 sequence of
1591
Term #1 of the Conway climb · Base 10 sequence of
176
Term #1 of the Conway climb · Base 26 sequence of
1149
Term #1 of the Conway climb · Base 28 sequence of
177
Term #1 of the Conway climb · Base 33 sequence of
98
Term #1 of the Conway climb · Base 34 sequence of
124
Term #1 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of
2005
Term #1 of the Distinct-prime home prime · Base 2 sequence of
1591
Term #1 of the Distinct-prime home prime · Base 8 sequence of
1591
Term #1 of the Distinct-prime home prime, descending · Base 8 sequence of
555
Term #4 of the Second-class home prime · Base 3 sequence of
1364
Term #1 of the Mid-divisor concatenation · Base 2 sequence of
1591
Term #1 of the Mid-divisor concatenation · Base 8 sequence of
1591
Term #1 of the Mid-divisor concatenation · Base 16 sequence of
963
Is factor of
Primality
Verified directlyproven prime
Checked deterministically (below 300 digits).
From the command linefdb · curl
fdb
fdb number '2411' --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":"2411"},"decimal":false,"detail":2}}'