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
844337
Term #1 of the Home prime · Base 8 sequence of
4924
Term #1 of the Inverse home prime · Base 11 sequence of
15475
Term #1 of the Home prime · Base 13 sequence of
35674
Term #1 of the Home prime · Base 24 sequence of
29195
Term #1 of the Home prime · Base 28 sequence of
15807
Term #1 of the Home prime · Base 30 sequence of
41918
Term #1 of the Home prime · Base 31 sequence of
30754
Term #1 of the Home prime · Base 33 sequence of
3628
Term #1 of the Aliquot variants · Augmented · σ(n) − n + 1 sequence of
53490
Term #1 of the Inverse home prime · Base 22 sequence of
17035
Term #1 of the Inverse home prime · Base 23 sequence of
6518
Term #1 of the Inverse home prime · Base 28 sequence of
8031
Term #1 of the Conway climb · Base 8 sequence of
4924
Term #1 of the Conway climb · Base 13 sequence of
35674
Term #1 of the Conway climb · Base 24 sequence of
29195
Term #1 of the Conway climb · Base 28 sequence of
15807
Term #1 of the Conway climb · Base 30 sequence of
41918
Term #1 of the Conway climb · Base 31 sequence of
30754
Term #1 of the Conway climb · Base 33 sequence of
3628
Term #1 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of
50571
Term #1 of the Second-class home prime · Base 8 sequence of
9848
Term #2 of the Second-class home prime · Base 10 sequence of
39016
Term #1 of the Mid-divisor concatenation · Base 2 sequence of
44316
Term #1 of the Mid-divisor concatenation · Base 3 sequence of
61302
Term #1 of the Mid-divisor concatenation · Base 8 sequence of
22158
Term #2 of the Mid-divisor concatenation · Base 16 sequence of
12212
Is factor of
Primality
Verified directlyproven prime
Checked deterministically (below 300 digits).
From the command linefdb · curl
fdb
fdb number '74959' --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":"74959"},"decimal":false,"detail":2}}'