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.
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See the expression syntax & functions reference.
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Term #1 of the aliquot sequence of
150665
Term #1 of the Home prime · Base 2 sequence of
16689
Term #1 of the Home prime · Base 4 sequence of
12847
Term #2 of the Home prime · Base 6 sequence of
1325
Term #1 of the Inverse home prime · Base 8 sequence of
11301
Term #1 of the Home prime · Base 21 sequence of
2265
Term #1 of the Home prime · Base 32 sequence of
12847
Term #1 of the Home prime · Base 36 sequence of
7613
Term #1 of the Aliquot variants · Augmented · σ(n) − n + 1 sequence of
27462
Term #1 of the Aliquot variants · Quasi · σ(n) − n − 1 sequence of
24040
Term #1 of the Inverse home prime · Base 31 sequence of
2387
Term #1 of the Conway climb · Base 2 sequence of
13275
Term #1 of the Conway climb · Base 4 sequence of
12847
Term #1 of the Conway climb · Base 6 sequence of
4965
Term #1 of the Conway climb · Base 8 sequence of
21707
Term #1 of the Conway climb · Base 21 sequence of
2265
Term #1 of the Conway climb · Base 24 sequence of
2128
Term #1 of the Conway climb · Base 32 sequence of
12847
Term #1 of the Conway climb · Base 36 sequence of
7613
Term #1 of the Distinct-prime home prime · Base 2 sequence of
16689
Term #1 of the Distinct-prime home prime, descending · Base 8 sequence of
11301
Term #1 of the Mid-divisor concatenation · Base 2 sequence of
16689
Term #2 of the Mid-divisor concatenation · Base 8 sequence of
4700
Term #2 of the Mid-divisor concatenation · Base 10 sequence of
2870
Is factor of
Primality
Verified directlyproven prime
Checked deterministically (below 300 digits).
From the command linefdb · curl
fdb
fdb number '30139' --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":"30139"},"decimal":false,"detail":2}}'