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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Reading never stores anything; use Create to add a number to the database.
See the expression syntax & functions reference.
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Term #2 of the Home prime · Base 2 sequence of
3226
Term #2 of the Home prime · Base 4 sequence of
1922
Term #1 of the Home prime · Base 6 sequence of
11231
Term #1 of the Inverse home prime · Base 7 sequence of
4665
Term #2 of the Home prime · Base 16 sequence of
3122
Term #1 of the Home prime · Base 18 sequence of
7226
Term #1 of the Home prime · Base 19 sequence of
3118
Term #1 of the Home prime · Base 36 sequence of
11231
Term #1 of the Aliquot variants · Augmented · σ(n) − n + 1 sequence of
11436
Term #2 of the Inverse home prime · Base 14 sequence of
2563
Term #1 of the Inverse home prime · Base 15 sequence of
6097
Term #1 of the Inverse home prime · Base 30 sequence of
3563
Term #1 of the Inverse home prime · Base 34 sequence of
4939
Term #2 of the Conway climb · Base 2 sequence of
3226
Term #2 of the Conway climb · Base 4 sequence of
3122
Term #1 of the Conway climb · Base 6 sequence of
11231
Term #2 of the Conway climb · Base 16 sequence of
3122
Term #1 of the Conway climb · Base 18 sequence of
3146
Term #1 of the Conway climb · Base 19 sequence of
3118
Term #1 of the Conway climb · Base 36 sequence of
11231
Term #2 of the Distinct-prime home prime · Base 2 sequence of
3226
Term #2 of the Distinct-prime home prime · Base 16 sequence of
3122
Term #1 of the Second-class home prime · Base 2 sequence of
11418
Term #2 of the Second-class home prime · Base 8 sequence of
3880
Term #1 of the Second-class home prime · Base 16 sequence of
11418
Term #8 of the Mid-divisor concatenation · Base 2 sequence of
833
Term #5 of the Mid-divisor concatenation · Base 3 sequence of
4050
Term #3 of the Mid-divisor concatenation · Base 10 sequence of
1210
Term #2 of the Mid-divisor concatenation · Base 16 sequence of
8697
Is factor of
Primality
Verified directlyproven prime
Checked deterministically (below 300 digits).
From the command linefdb · curl
fdb
fdb number '15277' --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":"15277"},"decimal":false,"detail":2}}'