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 aliquot sequence of
166309
Term #1 of the Home prime · Base 8 sequence of
3997
Term #1 of the Inverse home prime · Base 5 sequence of
16077
Term #1 of the Inverse home prime · Base 11 sequence of
8435
Term #1 of the Home prime · Base 16 sequence of
3997
Term #1 of the Home prime · Base 20 sequence of
1677
Term #1 of the Home prime · Base 21 sequence of
1233
Term #1 of the Home prime · Base 23 sequence of
9818
Term #1 of the Home prime · Base 24 sequence of
1772
Term #1 of the Inverse home prime · Base 17 sequence of
909
Term #1 of the Inverse home prime · Base 20 sequence of
3139
Term #1 of the Conway climb · Base 8 sequence of
3997
Term #2 of the Conway climb · Base 10 sequence of
18489
Term #1 of the Conway climb · Base 16 sequence of
2891
Term #1 of the Conway climb · Base 20 sequence of
1677
Term #1 of the Conway climb · Base 21 sequence of
3699
Term #1 of the Conway climb · Base 23 sequence of
9818
Term #1 of the Conway climb · Base 24 sequence of
1772
Term #1 of the Distinct-prime home prime · Base 8 sequence of
3997
Term #1 of the Distinct-prime home prime · Base 16 sequence of
3997
Term #1 of the Second-class home prime · Base 8 sequence of
7994
Term #4 of the Second-class home prime · Base 10 sequence of
9720
Term #1 of the Second-class home prime · Base 16 sequence of
7994
Term #1 of the Mid-divisor concatenation · Base 2 sequence of
15988
Term #3 of the Mid-divisor concatenation · Base 3 sequence of
3604
Term #1 of the Mid-divisor concatenation · Base 8 sequence of
3997
Term #2 of the Mid-divisor concatenation · Base 16 sequence of
2355
Is factor of
Primality
Verified directlyproven prime
Checked deterministically (below 300 digits).
From the command linefdb · curl
fdb
fdb number '29243' --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":"29243"},"decimal":false,"detail":2}}'