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.
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Term #1 of the Home prime · Base 9 sequence of
99
Term #2 of the Inverse home prime · Base 6 sequence of
1325
Term #1 of the Inverse home prime · Base 9 sequence of
542
Term #2 of the Home prime · Base 18 sequence of
717
Term #1 of the Home prime · Base 28 sequence of
45
Term #1 of the Home prime · Base 30 sequence of
1282
Term #1 of the Home prime · Base 33 sequence of
526
Term #1 of the Aliquot variants · Augmented · σ(n) − n + 1 sequence of
1880
Term #2 of the Inverse home prime · Base 24 sequence of
923
Term #1 of the Inverse home prime · Base 36 sequence of
1943
Term #1 of the Conway climb · Base 9 sequence of
297
Term #1 of the Conway climb · Base 10 sequence of
656
Term #2 of the Conway climb · Base 18 sequence of
717
Term #1 of the Conway climb · Base 28 sequence of
135
Term #1 of the Conway climb · Base 30 sequence of
1282
Term #1 of the Conway climb · Base 33 sequence of
526
Term #1 of the Mid-divisor concatenation · Base 2 sequence of
1233
Term #1 of the Mid-divisor concatenation · Base 10 sequence of
984
Term #1 of the Mid-divisor concatenation · Base 16 sequence of
1233
Is factor of
Primality
Verified directlyproven prime
Checked deterministically (below 300 digits).
From the command linefdb · curl
fdb
fdb number '2441' --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":"2441"},"decimal":false,"detail":2}}'