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.
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Term #1 of the aliquot sequence of
980165
Term #1 of the Home prime · Base 2 sequence of
32802
Term #1 of the Home prime · Base 4 sequence of
46566
Term #1 of the Home prime · Base 5 sequence of
34156
Term #1 of the Home prime · Base 8 sequence of
123445
Term #1 of the Inverse home prime · Base 2 sequence of
78081
Term #2 of the Inverse home prime · Base 4 sequence of
43643
Term #1 of the Home prime · Base 30 sequence of
36211
Term #1 of the Inverse home prime · Base 28 sequence of
77011
Term #1 of the Conway climb · Base 2 sequence of
32802
Term #1 of the Conway climb · Base 4 sequence of
62088
Term #1 of the Conway climb · Base 5 sequence of
34156
Term #1 of the Conway climb · Base 30 sequence of
49273
Term #3 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of
78004
Term #1 of the Distinct-prime home prime · Base 2 sequence of
32802
Term #1 of the Distinct-prime home prime, descending · Base 2 sequence of
78081
Term #1 of the Second-class home prime · Base 2 sequence of
65604
Term #5 of the Mid-divisor concatenation · Base 2 sequence of
58415
Is factor of
Primality
Verified directlyproven prime
Checked deterministically (below 300 digits).
From the command linefdb · curl
fdb
fdb number '196039' --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":"196039"},"decimal":false,"detail":2}}'