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.
↪
Term #1 of the aliquot sequence of
103149
Term #1 of the Home prime · Base 2 sequence of
7110
Term #1 of the Home prime · Base 4 sequence of
12942
Term #1 of the Home prime · Base 7 sequence of
30466
Term #2 of the Home prime · Base 11 sequence of
210
Term #1 of the Inverse home prime · Base 2 sequence of
36633
Term #1 of the Inverse home prime · Base 4 sequence of
36633
Term #2 of the Inverse home prime · Base 5 sequence of
11721
Term #1 of the Home prime · Base 21 sequence of
8425
Term #1 of the Home prime · Base 25 sequence of
873
Term #1 of the Home prime · Base 28 sequence of
9886
Term #1 of the Home prime · Base 32 sequence of
33793
Term #1 of the Aliquot variants · Quasi · σ(n) − n − 1 sequence of
44896
Term #1 of the Inverse home prime · Base 18 sequence of
35269
Term #2 of the Conway climb · Base 2 sequence of
9402
Term #1 of the Conway climb · Base 3 sequence of
11728
Term #5 of the Conway climb · Base 4 sequence of
2958
Term #1 of the Conway climb · Base 7 sequence of
30466
Term #1 of the Conway climb · Base 12 sequence of
1008
Term #1 of the Conway climb · Base 25 sequence of
2619
Term #1 of the Conway climb · Base 28 sequence of
9886
Term #1 of the Conway climb · Base 32 sequence of
33793
Term #1 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of
36633
Term #2 of the Distinct-prime home prime · Base 2 sequence of
9402
Term #1 of the Distinct-prime home prime, descending · Base 2 sequence of
36633
Term #1 of the Second-class home prime · Base 2 sequence of
14220
Term #2 of the Second-class home prime · Base 16 sequence of
38172
Term #2 of the Mid-divisor concatenation · Base 2 sequence of
24786
Term #2 of the Mid-divisor concatenation · Base 3 sequence of
5808
Term #2 of the Mid-divisor concatenation · Base 16 sequence of
24786
Is factor of
Primality
Verified directlyproven prime
Checked deterministically (below 300 digits).
From the command linefdb · curl
fdb
fdb number '48847' --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":"48847"},"decimal":false,"detail":2}}'