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
1298281
Term #1 of the Home prime · Base 2 sequence of
10268
Term #1 of the Home prime · Base 4 sequence of
12835
Term #1 of the Home prime · Base 5 sequence of
11245
Term #1 of the Home prime · Base 8 sequence of
41774
Term #2 of the Inverse home prime · Base 2 sequence of
20247
Term #1 of the Inverse home prime · Base 3 sequence of
57614
Term #1 of the Inverse home prime · Base 4 sequence of
37407
Term #1 of the Home prime · Base 25 sequence of
11245
Term #1 of the Home prime · Base 26 sequence of
72517
Term #1 of the Home prime · Base 32 sequence of
41774
Term #1 of the Home prime · Base 33 sequence of
29098
Term #1 of the Aliquot variants · Quasi · σ(n) − n − 1 sequence of
51816
Term #1 of the Inverse home prime · Base 16 sequence of
50887
Term #1 of the Inverse home prime · Base 18 sequence of
24005
Term #1 of the Conway climb · Base 2 sequence of
10268
Term #1 of the Conway climb · Base 4 sequence of
12835
Term #1 of the Conway climb · Base 5 sequence of
11245
Term #1 of the Conway climb · Base 8 sequence of
41774
Term #1 of the Conway climb · Base 25 sequence of
11245
Term #1 of the Conway climb · Base 26 sequence of
72517
Term #1 of the Conway climb · Base 32 sequence of
41774
Term #1 of the Conway climb · Base 33 sequence of
29098
Term #1 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of
57614
Term #1 of the Distinct-prime home prime · Base 2 sequence of
41774
Term #1 of the Distinct-prime home prime · Base 8 sequence of
41774
Term #5 of the Distinct-prime home prime, descending · Base 2 sequence of
11359
Term #1 of the Distinct-prime home prime, descending · Base 3 sequence of
57614
Term #1 of the Distinct-prime home prime, descending · Base 16 sequence of
50887
Term #1 of the Second-class home prime · Base 2 sequence of
20536
Term #3 of the Second-class home prime · Base 8 sequence of
77772
Term #2 of the Second-class home prime · Base 10 sequence of
63484
Term #1 of the Mid-divisor concatenation · Base 2 sequence of
41774
Term #2 of the Mid-divisor concatenation · Base 3 sequence of
18396
Term #1 of the Mid-divisor concatenation · Base 8 sequence of
41774
Is factor of
Primality
Verified directlyproven prime
Checked deterministically (below 300 digits).
From the command linefdb · curl
fdb
fdb number '86423' --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":"86423"},"decimal":false,"detail":2}}'