factordbrpc · fdb
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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 5 digits
↪
Term #1 of the aliquot sequence of 133385 · 2 terms
Term #1 of the Home prime · Base 2 sequence of 54827 · 2 terms
Term #1 of the Home prime · Base 3 sequence of 15292 · 2 terms
Term #2 of the Home prime · Base 4 sequence of 19007 · 3 terms
Term #1 of the Home prime · Base 6 sequence of 13153 · 2 terms
Term #1 of the Home prime · Base 7 sequence of 3009 · 2 terms
Term #2 of the Home prime · Base 8 sequence of 20527 · 3 terms
Term #1 of the Home prime · Base 10 sequence of 31555 · 2 terms
Term #1 of the Inverse home prime · Base 2 sequence of 15015 · 2 terms
Term #2 of the Inverse home prime · Base 10 sequence of 1857 · 3 terms
Term #1 of the Inverse home prime · Base 11 sequence of 10238 · 2 terms
Term #1 of the Home prime · Base 24 sequence of 42583 · 2 terms
Term #1 of the Home prime · Base 26 sequence of 10749 · 2 terms
Term #1 of the Home prime · Base 28 sequence of 45937 · 2 terms
Term #1 of the Home prime · Base 30 sequence of 4622 · 2 terms
Term #1 of the Inverse home prime · Base 28 sequence of 4899 · 2 terms
Term #1 of the Inverse home prime · Base 32 sequence of 40457 · 2 terms
Term #1 of the Conway climb · Base 2 sequence of 54827 · 2 terms
Term #1 of the Conway climb · Base 3 sequence of 15292 · 2 terms
Term #2 of the Conway climb · Base 4 sequence of 19007 · 3 terms
Term #1 of the Conway climb · Base 6 sequence of 13153 · 2 terms
Term #1 of the Conway climb · Base 7 sequence of 3009 · 2 terms
Term #2 of the Conway climb · Base 8 sequence of 20527 · 3 terms
Term #1 of the Conway climb · Base 10 sequence of 31555 · 2 terms
Term #1 of the Conway climb · Base 24 sequence of 42583 · 2 terms
Term #1 of the Conway climb · Base 26 sequence of 10749 · 2 terms
Term #1 of the Conway climb · Base 28 sequence of 45937 · 2 terms
Term #1 of the Conway climb · Base 30 sequence of 4622 · 2 terms
Term #1 of the Distinct-prime home prime · Base 2 sequence of 54827 · 2 terms
Term #2 of the Distinct-prime home prime · Base 8 sequence of 20527 · 3 terms
Term #1 of the Distinct-prime home prime · Base 10 sequence of 31555 · 2 terms
Term #1 of the Distinct-prime home prime, descending · Base 2 sequence of 15015 · 2 terms
Term #2 of the Distinct-prime home prime, descending · Base 10 sequence of 1857 · 3 terms
Term #1 of the Second-class home prime · Base 3 sequence of 30584 · 2 terms
Term #3 of the Second-class home prime · Base 8 sequence of 55230 · 4 terms
Term #3 of the Mid-divisor concatenation · Base 2 sequence of 25938 · 4 terms
Term #3 of the Mid-divisor concatenation · Base 3 sequence of 13268 · 4 terms
Term #2 of the Mid-divisor concatenation · Base 8 sequence of 20527 · 3 terms
Term #1 of the Mid-divisor concatenation · Base 10 sequence of 17416 · 2 terms
Term #1 of the Mid-divisor concatenation · Base 16 sequence of 54093 · 2 terms
Is factor of

Primality

Verified directlyproven prime

Checked deterministically (below 300 digits).

From the command linefdb · curl
fdb
fdb number '56311' --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":"56311"},"decimal":false,"detail":2}}'