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
511049
Term #1 of the Home prime · Base 6 sequence of
47239
Term #1 of the Home prime · Base 9 sequence of
16202
Term #1 of the Inverse home prime · Base 2 sequence of
45201
Term #1 of the Home prime · Base 14 sequence of
24471
Term #1 of the Home prime · Base 21 sequence of
12337
Term #1 of the Home prime · Base 26 sequence of
22169
Term #1 of the Home prime · Base 34 sequence of
24861
Term #1 of the Home prime · Base 36 sequence of
47239
Term #1 of the Aliquot variants · Quasi · σ(n) − n − 1 sequence of
85840
Term #1 of the Inverse home prime · Base 18 sequence of
63407
Term #1 of the Inverse home prime · Base 28 sequence of
13521
Term #1 of the Inverse home prime · Base 32 sequence of
90689
Term #2 of the Conway climb · Base 4 sequence of
10934
Term #1 of the Conway climb · Base 6 sequence of
28528
Term #1 of the Conway climb · Base 9 sequence of
16202
Term #1 of the Conway climb · Base 14 sequence of
73413
Term #1 of the Conway climb · Base 26 sequence of
22169
Term #1 of the Conway climb · Base 34 sequence of
24861
Term #1 of the Conway climb · Base 36 sequence of
47239
Term #1 of the Distinct-prime home prime, descending · Base 2 sequence of
45201
Term #3 of the Second-class home prime · Base 8 sequence of
52904
Term #2 of the Mid-divisor concatenation · Base 2 sequence of
68454
Term #1 of the Mid-divisor concatenation · Base 3 sequence of
48606
Term #2 of the Mid-divisor concatenation · Base 8 sequence of
46948
Term #1 of the Mid-divisor concatenation · Base 10 sequence of
25074
Term #1 of the Mid-divisor concatenation · Base 16 sequence of
99570
Is factor of
Primality
Verified directlyproven prime
Checked deterministically (below 300 digits).
From the command linefdb · curl
fdb
fdb number '126199' --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":"126199"},"decimal":false,"detail":2}}'