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
410473
Term #1 of the Home prime · Base 23 sequence of
23045
Term #1 of the Home prime · Base 28 sequence of
3651
Term #1 of the Aliquot variants · Augmented · σ(n) − n + 1 sequence of
50480
Term #1 of the Aliquot variants · Quasi · σ(n) − n − 1 sequence of
67062
Term #1 of the Inverse home prime · Base 20 sequence of
28223
Term #1 of the Inverse home prime · Base 26 sequence of
49001
Term #1 of the Inverse home prime · Base 33 sequence of
19703
Term #1 of the Conway climb · Base 12 sequence of
12681
Term #1 of the Conway climb · Base 13 sequence of
18608
Term #1 of the Conway climb · Base 23 sequence of
23045
Term #1 of the Conway climb · Base 28 sequence of
3651
Term #9 of the Second-class home prime · Base 3 sequence of
35068
Is factor of
Primality
Verified directlyproven prime
Checked deterministically (below 300 digits).
From the command linefdb · curl
fdb
fdb number '67073' --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":"67073"},"decimal":false,"detail":2}}'