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
3391579
Term #1 of the Home prime · Base 3 sequence of
69766
Term #1 of the Home prime · Base 4 sequence of
7450
Term #1 of the Home prime · Base 6 sequence of
99503
Term #3 of the Home prime · Base 8 sequence of
5469
Term #1 of the Home prime · Base 9 sequence of
69766
Term #1 of the Inverse home prime · Base 3 sequence of
101986
Term #2 of the Home prime · Base 12 sequence of
26662
Term #1 of the Home prime · Base 16 sequence of
7450
Term #1 of the Home prime · Base 30 sequence of
83695
Term #1 of the Inverse home prime · Base 30 sequence of
56089
Term #1 of the Conway climb · Base 3 sequence of
69766
Term #1 of the Conway climb · Base 4 sequence of
14290
Term #1 of the Conway climb · Base 6 sequence of
99503
Term #3 of the Conway climb · Base 8 sequence of
5469
Term #1 of the Conway climb · Base 9 sequence of
18550
Term #2 of the Conway climb · Base 12 sequence of
26662
Term #2 of the Conway climb · Base 16 sequence of
3549
Term #1 of the Conway climb · Base 20 sequence of
65341
Term #1 of the Conway climb · Base 30 sequence of
83695
Term #2 of the Distinct-prime home prime · Base 3 sequence of
16994
Term #3 of the Distinct-prime home prime · Base 8 sequence of
5469
Term #1 of the Distinct-prime home prime · Base 16 sequence of
14290
Term #3 of the Distinct-prime home prime, descending · Base 3 sequence of
40453
Term #2 of the Second-class home prime · Base 3 sequence of
33988
Term #2 of the Second-class home prime · Base 8 sequence of
45522
Term #1 of the Second-class home prime · Base 16 sequence of
14900
Term #2 of the Mid-divisor concatenation · Base 2 sequence of
56444
Term #1 of the Mid-divisor concatenation · Base 3 sequence of
69766
Term #4 of the Mid-divisor concatenation · Base 8 sequence of
3490
Term #1 of the Mid-divisor concatenation · Base 16 sequence of
52873
Is factor of
Primality
Verified directlyproven prime
Checked deterministically (below 300 digits).
From the command linefdb · curl
fdb
fdb number '152981' --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":"152981"},"decimal":false,"detail":2}}'