factordbrpc · fdb
Sign in

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.

P · Proven prime
below threshold 4 digits
↪
Term #1 of the Home prime · Base 5 sequence of 423 · 2 terms
Term #1 of the Home prime · Base 10 sequence of 388 · 2 terms
Term #1 of the Inverse home prime · Base 10 sequence of 1603 · 2 terms
Term #1 of the Home prime · Base 18 sequence of 203 · 2 terms
Term #1 of the Home prime · Base 24 sequence of 1707 · 2 terms
Term #1 of the Home prime · Base 26 sequence of 807 · 2 terms
Term #3 of the Aliquot variants · Augmented · σ(n) − n + 1 sequence of 1548 · 4 terms
Term #1 of the Aliquot variants · Quasi · σ(n) − n − 1 sequence of 1590 · 2 terms
Term #2 of the Inverse home prime · Base 12 sequence of 553 · 3 terms
Term #1 of the Inverse home prime · Base 18 sequence of 1397 · 2 terms
Term #1 of the Inverse home prime · Base 34 sequence of 1273 · 2 terms
Term #1 of the Conway climb · Base 5 sequence of 1269 · 2 terms
Term #1 of the Conway climb · Base 10 sequence of 388 · 2 terms
Term #1 of the Conway climb · Base 18 sequence of 203 · 2 terms
Term #1 of the Conway climb · Base 24 sequence of 1707 · 2 terms
Term #1 of the Conway climb · Base 26 sequence of 807 · 2 terms
Term #1 of the Distinct-prime home prime, descending · Base 10 sequence of 1603 · 2 terms
Term #1 of the Second-class home prime · Base 10 sequence of 776 · 2 terms
Term #2 of the Second-class home prime · Base 16 sequence of 600 · 3 terms
Term #1 of the Mid-divisor concatenation · Base 2 sequence of 1995 · 2 terms
Term #2 of the Mid-divisor concatenation · Base 3 sequence of 249 · 3 terms
Term #1 of the Mid-divisor concatenation · Base 8 sequence of 1995 · 2 terms
Term #3 of the Mid-divisor concatenation · Base 10 sequence of 98 · 4 terms
Is factor of

Primality

Verified directlyproven prime

Checked deterministically (below 300 digits).

From the command linefdb · curl
fdb
fdb number '2297' --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":"2297"},"decimal":false,"detail":2}}'