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 #2 of the Home prime · Base 3 sequence of
159
Term #1 of the Inverse home prime · Base 6 sequence of
1121
Term #1 of the Home prime · Base 29 sequence of
922
Term #1 of the Home prime · Base 30 sequence of
286
Term #1 of the Home prime · Base 32 sequence of
124
Term #1 of the Inverse home prime · Base 20 sequence of
321
Term #1 of the Inverse home prime · Base 24 sequence of
623
Term #1 of the Inverse home prime · Base 30 sequence of
923
Term #2 of the Inverse home prime · Base 36 sequence of
155
Term #1 of the Conway climb · Base 3 sequence of
796
Term #1 of the Conway climb · Base 20 sequence of
1715
Term #1 of the Conway climb · Base 26 sequence of
891
Term #1 of the Conway climb · Base 29 sequence of
922
Term #1 of the Conway climb · Base 30 sequence of
286
Term #1 of the Conway climb · Base 32 sequence of
124
Term #3 of the Second-class home prime · Base 3 sequence of
528
Term #2 of the Mid-divisor concatenation · Base 3 sequence of
699
Term #1 of the Mid-divisor concatenation · Base 10 sequence of
903
Is factor of
Primality
Verified directlyproven prime
Checked deterministically (below 300 digits).
From the command linefdb · curl
fdb
fdb number '2143' --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":"2143"},"decimal":false,"detail":2}}'