P · Proven prime
Enter a value, an expression, or a term with a variable like 10^n+1 to list a range.
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See the expression syntax & functions reference.
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Term #1 of the Home prime · Base 6 sequence of
388
Term #1 of the Inverse home prime · Base 2 sequence of
1649
Term #2 of the Home prime · Base 24 sequence of
20
Term #2 of the Home prime · Base 28 sequence of
1478
Term #1 of the Home prime · Base 30 sequence of
1263
Term #1 of the Home prime · Base 34 sequence of
1618
Term #2 of the Inverse home prime · Base 18 sequence of
335
Term #1 of the Inverse home prime · Base 32 sequence of
1649
Term #1 of the Conway climb · Base 6 sequence of
388
Term #2 of the Conway climb · Base 24 sequence of
20
Term #2 of the Conway climb · Base 28 sequence of
1478
Term #1 of the Conway climb · Base 30 sequence of
1263
Term #1 of the Conway climb · Base 34 sequence of
1618
Term #1 of the Distinct-prime home prime, descending · Base 2 sequence of
1649
Term #2 of the Second-class home prime · Base 2 sequence of
896
Term #2 of the Second-class home prime · Base 3 sequence of
1908
Term #2 of the Second-class home prime · Base 8 sequence of
96
Term #3 of the Second-class home prime · Base 16 sequence of
782
Term #2 of the Mid-divisor concatenation · Base 2 sequence of
1728
Term #1 of the Mid-divisor concatenation · Base 3 sequence of
1634
Term #2 of the Mid-divisor concatenation · Base 8 sequence of
1728
Is factor of
Primality
Verified directlyproven prime
Checked deterministically (below 300 digits).
From the command linefdb · curl
fdb
fdb number '3121' --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":"3121"},"decimal":false,"detail":2}}'