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 aliquot sequence of
239665
Term #2 of the Home prime · Base 3 sequence of
3790
Term #1 of the Home prime · Base 4 sequence of
4422
Term #1 of the Inverse home prime · Base 7 sequence of
15429
Term #1 of the Home prime · Base 12 sequence of
7698
Term #1 of the Home prime · Base 16 sequence of
8107
Term #2 of the Home prime · Base 14 sequence of
17381
Term #1 of the Home prime · Base 24 sequence of
4323
Term #2 of the Home prime · Base 27 sequence of
8717
Term #1 of the Home prime · Base 30 sequence of
12667
Term #1 of the Aliquot variants · Quasi · σ(n) − n − 1 sequence of
22620
Term #2 of the Inverse home prime · Base 18 sequence of
1271
Term #1 of the Inverse home prime · Base 24 sequence of
21967
Term #2 of the Inverse home prime · Base 30 sequence of
35489
Term #1 of the Conway climb · Base 2 sequence of
10050
Term #2 of the Conway climb · Base 3 sequence of
3790
Term #1 of the Conway climb · Base 4 sequence of
4422
Term #1 of the Conway climb · Base 12 sequence of
7698
Term #2 of the Conway climb · Base 14 sequence of
17381
Term #1 of the Conway climb · Base 21 sequence of
38875
Term #1 of the Conway climb · Base 24 sequence of
4323
Term #2 of the Conway climb · Base 27 sequence of
8717
Term #1 of the Conway climb · Base 30 sequence of
12667
Term #2 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of
23888
Term #7 of the Distinct-prime home prime · Base 3 sequence of
357
Term #1 of the Second-class home prime · Base 3 sequence of
34292
Term #2 of the Second-class home prime · Base 10 sequence of
32850
Term #2 of the Second-class home prime · Base 16 sequence of
5484
Term #2 of the Mid-divisor concatenation · Base 2 sequence of
19138
Term #2 of the Mid-divisor concatenation · Base 3 sequence of
8717
Term #3 of the Mid-divisor concatenation · Base 8 sequence of
6354
Is factor of
Primality
Verified directlyproven prime
Checked deterministically (below 300 digits).
From the command linefdb · curl
fdb
fdb number '47939' --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":"47939"},"decimal":false,"detail":2}}'