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
407793
Term #1 of the Home prime · Base 6 sequence of
49550
Term #3 of the Inverse home prime · Base 5 sequence of
1346
Term #1 of the Home prime · Base 30 sequence of
1625
Term #1 of the Home prime · Base 33 sequence of
23577
Term #1 of the Home prime · Base 34 sequence of
65253
Term #1 of the Home prime · Base 36 sequence of
92702
Term #1 of the Inverse home prime · Base 18 sequence of
8189
Term #1 of the Inverse home prime · Base 20 sequence of
3141
Term #1 of the Conway climb · Base 6 sequence of
92702
Term #1 of the Conway climb · Base 9 sequence of
1710
Term #1 of the Conway climb · Base 22 sequence of
45799
Term #1 of the Conway climb · Base 30 sequence of
23315
Term #1 of the Conway climb · Base 33 sequence of
23577
Term #1 of the Conway climb · Base 34 sequence of
65253
Term #1 of the Conway climb · Base 36 sequence of
92702
Term #1 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of
59844
Is factor of
Primality
Verified directlyproven prime
Checked deterministically (below 300 digits).
From the command linefdb · curl
fdb
fdb number '139663' --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":"139663"},"decimal":false,"detail":2}}'