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 5 sequence of
452
Term #2 of the Home prime · Base 6 sequence of
177
Term #1 of the Inverse home prime · Base 9 sequence of
358
Term #2 of the Home prime · Base 12 sequence of
28
Term #1 of the Home prime · Base 21 sequence of
663
Term #1 of the Home prime · Base 22 sequence of
147
Term #1 of the Home prime · Base 24 sequence of
922
Term #1 of the Inverse home prime · Base 18 sequence of
979
Term #3 of the Inverse home prime · Base 22 sequence of
25
Term #1 of the Inverse home prime · Base 24 sequence of
335
Term #1 of the Inverse home prime · Base 30 sequence of
1219
Term #1 of the Conway climb · Base 5 sequence of
452
Term #2 of the Conway climb · Base 6 sequence of
177
Term #2 of the Conway climb · Base 9 sequence of
77
Term #3 of the Conway climb · Base 12 sequence of
16
Term #1 of the Conway climb · Base 21 sequence of
663
Term #1 of the Conway climb · Base 24 sequence of
922
Is factor of
Primality
Verified directlyproven prime
Checked deterministically (below 300 digits).
From the command linefdb · curl
fdb
fdb number '1613' --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":"1613"},"decimal":false,"detail":2}}'