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 3 sequence of
387
Term #2 of the Home prime · Base 5 sequence of
674
Term #1 of the Home prime · Base 6 sequence of
1067
Term #1 of the Home prime · Base 9 sequence of
387
Term #1 of the Inverse home prime · Base 5 sequence of
1083
Term #1 of the Inverse home prime · Base 7 sequence of
706
Term #1 of the Home prime · Base 22 sequence of
265
Term #2 of the Home prime · Base 25 sequence of
674
Term #1 of the Home prime · Base 30 sequence of
1346
Term #1 of the Aliquot variants · Augmented · σ(n) − n + 1 sequence of
1608
Term #2 of the Inverse home prime · Base 18 sequence of
265
Term #1 of the Conway climb · Base 3 sequence of
1161
Term #1 of the Conway climb · Base 6 sequence of
1067
Term #1 of the Conway climb · Base 9 sequence of
1161
Term #1 of the Conway climb · Base 10 sequence of
1168
Term #1 of the Conway climb · Base 22 sequence of
265
Term #1 of the Conway climb · Base 30 sequence of
1346
Term #2 of the Conway climb · Base 33 sequence of
2191
Term #1 of the Second-class home prime · Base 3 sequence of
774
Term #1 of the Mid-divisor concatenation · Base 2 sequence of
1558
Term #1 of the Mid-divisor concatenation · Base 3 sequence of
1290
Term #1 of the Mid-divisor concatenation · Base 8 sequence of
1558
Term #1 of the Mid-divisor concatenation · Base 10 sequence of
1752
Is factor of
Primality
Verified directlyproven prime
Checked deterministically (below 300 digits).
From the command linefdb · curl
fdb
fdb number '2473' --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":"2473"},"decimal":false,"detail":2}}'