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
3340807
Term #2 of the Home prime · Base 10 sequence of
36
Term #1 of the Inverse home prime · Base 11 sequence of
8427
Term #1 of the Home prime · Base 12 sequence of
4215
Term #1 of the Home prime · Base 28 sequence of
15819
Term #1 of the Home prime · Base 34 sequence of
37393
Term #1 of the Inverse home prime · Base 12 sequence of
4715
Term #1 of the Inverse home prime · Base 24 sequence of
50371
Term #2 of the Conway climb · Base 10 sequence of
108
Term #2 of the Conway climb · Base 12 sequence of
864
Term #2 of the Conway climb · Base 24 sequence of
14954
Term #1 of the Conway climb · Base 28 sequence of
15819
Term #1 of the Conway climb · Base 34 sequence of
37393
Term #2 of the Distinct-prime home prime · Base 10 sequence of
466
Term #1 of the Second-class home prime · Base 10 sequence of
4466
Term #1 of the Mid-divisor concatenation · Base 3 sequence of
55190
Term #1 of the Mid-divisor concatenation · Base 10 sequence of
7903
Is factor of
Primality
Verified directlyproven prime
Checked deterministically (below 300 digits).
From the command linefdb · curl
fdb
fdb number '71129' --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":"71129"},"decimal":false,"detail":2}}'