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 Home prime · Base 2 sequence of
4979
Term #1 of the Home prime · Base 7 sequence of
4474
Term #1 of the Home prime · Base 8 sequence of
4979
Term #2 of the Inverse home prime · Base 2 sequence of
675
Term #4 of the Inverse home prime · Base 4 sequence of
91
Term #2 of the Inverse home prime · Base 8 sequence of
2407
Term #1 of the Home prime · Base 14 sequence of
2506
Term #1 of the Home prime · Base 20 sequence of
4063
Term #2 of the Home prime · Base 30 sequence of
3365
Term #1 of the Aliquot variants · Augmented · σ(n) − n + 1 sequence of
7026
Term #1 of the Aliquot variants · Quasi · σ(n) − n − 1 sequence of
5560
Term #1 of the Inverse home prime · Base 24 sequence of
2051
Term #1 of the Inverse home prime · Base 28 sequence of
2761
Term #1 of the Inverse home prime · Base 31 sequence of
454
Term #1 of the Conway climb · Base 2 sequence of
4979
Term #2 of the Conway climb · Base 6 sequence of
604
Term #1 of the Conway climb · Base 7 sequence of
4474
Term #1 of the Conway climb · Base 8 sequence of
4979
Term #1 of the Conway climb · Base 14 sequence of
2506
Term #1 of the Conway climb · Base 20 sequence of
4063
Term #2 of the Conway climb · Base 30 sequence of
3365
Term #3 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of
2331
Term #1 of the Distinct-prime home prime · Base 2 sequence of
4979
Term #1 of the Distinct-prime home prime · Base 8 sequence of
4979
Term #3 of the Distinct-prime home prime, descending · Base 2 sequence of
2469
Term #3 of the Second-class home prime · Base 8 sequence of
1552
Term #2 of the Second-class home prime · Base 10 sequence of
748
Term #2 of the Mid-divisor concatenation · Base 2 sequence of
3532
Term #1 of the Mid-divisor concatenation · Base 8 sequence of
4979
Term #2 of the Mid-divisor concatenation · Base 16 sequence of
1313
Is factor of
Primality
Verified directlyproven prime
Checked deterministically (below 300 digits).
From the command linefdb · curl
fdb
fdb number '7039' --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":"7039"},"decimal":false,"detail":2}}'