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 10 sequence of
5473
Term #4 of the Home prime · Base 18 sequence of
579
Term #1 of the Home prime · Base 24 sequence of
3979
Term #1 of the Home prime · Base 26 sequence of
10963
Term #1 of the Home prime · Base 31 sequence of
10933
Term #1 of the Home prime · Base 32 sequence of
1417
Term #1 of the Inverse home prime · Base 13 sequence of
1975
Term #1 of the Inverse home prime · Base 24 sequence of
805
Term #1 of the Inverse home prime · Base 32 sequence of
5447
Term #1 of the Conway climb · Base 4 sequence of
8829
Term #1 of the Conway climb · Base 8 sequence of
981
Term #1 of the Conway climb · Base 10 sequence of
5473
Term #2 of the Conway climb · Base 16 sequence of
364
Term #4 of the Conway climb · Base 18 sequence of
579
Term #1 of the Conway climb · Base 24 sequence of
3979
Term #1 of the Conway climb · Base 26 sequence of
10963
Term #1 of the Conway climb · Base 32 sequence of
1417
Term #1 of the Distinct-prime home prime · Base 10 sequence of
5473
Term #3 of the Second-class home prime · Base 10 sequence of
3774
Term #2 of the Second-class home prime · Base 16 sequence of
5780
Term #1 of the Mid-divisor concatenation · Base 2 sequence of
11336
Term #1 of the Mid-divisor concatenation · Base 8 sequence of
2834
Term #3 of the Mid-divisor concatenation · Base 10 sequence of
1638
Term #1 of the Mid-divisor concatenation · Base 16 sequence of
5668
Is factor of
Primality
Verified directlyproven prime
Checked deterministically (below 300 digits).
From the command linefdb · curl
fdb
fdb number '13421' --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":"13421"},"decimal":false,"detail":2}}'