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
393845
Term #1 of the Home prime · Base 12 sequence of
60033
Term #1 of the Home prime · Base 13 sequence of
50194
Term #1 of the Home prime · Base 14 sequence of
10774
Term #1 of the Home prime · Base 24 sequence of
65495
Term #1 of the Home prime · Base 28 sequence of
49089
Term #3 of the Home prime · Base 31 sequence of
245
Term #1 of the Inverse home prime · Base 18 sequence of
59371
Term #1 of the Conway climb · Base 12 sequence of
60033
Term #1 of the Conway climb · Base 13 sequence of
50194
Term #1 of the Conway climb · Base 14 sequence of
10774
Term #1 of the Conway climb · Base 24 sequence of
65495
Term #1 of the Conway climb · Base 28 sequence of
49089
Term #2 of the Conway climb · Base 31 sequence of
5029
Term #1 of the Conway climb · Base 34 sequence of
1134
Term #6 of the Second-class home prime · Base 16 sequence of
19996
Term #2 of the Mid-divisor concatenation · Base 3 sequence of
44127
Is factor of
Primality
Verified directlyproven prime
Checked deterministically (below 300 digits).
From the command linefdb · curl
fdb
fdb number '82219' --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":"82219"},"decimal":false,"detail":2}}'