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
66837
Term #3 of the Home prime · Base 6 sequence of
292
Term #1 of the Home prime · Base 10 sequence of
664
Term #1 of the Home prime · Base 18 sequence of
14361
Term #1 of the Home prime · Base 21 sequence of
7522
Term #2 of the Home prime · Base 36 sequence of
1137
Term #1 of the Inverse home prime · Base 18 sequence of
21029
Term #1 of the Inverse home prime · Base 21 sequence of
2122
Term #3 of the Conway climb · Base 6 sequence of
292
Term #1 of the Conway climb · Base 10 sequence of
1132
Term #1 of the Conway climb · Base 18 sequence of
14361
Term #1 of the Conway climb · Base 21 sequence of
7522
Term #2 of the Conway climb · Base 36 sequence of
1137
Term #1 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of
12370
Term #2 of the Second-class home prime · Base 8 sequence of
14814
Term #1 of the Second-class home prime · Base 10 sequence of
1328
Term #4 of the Second-class home prime · Base 16 sequence of
17964
Term #1 of the Mid-divisor concatenation · Base 10 sequence of
6226
Is factor of
Primality
Verified directlyproven prime
Checked deterministically (below 300 digits).
From the command linefdb · curl
fdb
fdb number '22283' --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":"22283"},"decimal":false,"detail":2}}'