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 251209 · 2 terms
Term #1 of the Home prime · Base 3 sequence of 27106 · 2 terms
Term #1 of the Home prime · Base 7 sequence of 2037 · 2 terms
Term #1 of the Inverse home prime · Base 2 sequence of 39687 · 2 terms
Term #1 of the Inverse home prime · Base 3 sequence of 23516 · 2 terms
Term #1 of the Inverse home prime · Base 4 sequence of 23149 · 2 terms
Term #1 of the Inverse home prime · Base 6 sequence of 44095 · 2 terms
Term #1 of the Home prime · Base 12 sequence of 22894 · 2 terms
Term #1 of the Home prime · Base 22 sequence of 17767 · 2 terms
Term #1 of the Home prime · Base 24 sequence of 28671 · 2 terms
Term #1 of the Home prime · Base 27 sequence of 27106 · 2 terms
Term #1 of the Inverse home prime · Base 12 sequence of 26057 · 2 terms
Term #1 of the Inverse home prime · Base 14 sequence of 45461 · 2 terms
Term #1 of the Inverse home prime · Base 16 sequence of 23149 · 2 terms
Term #1 of the Inverse home prime · Base 18 sequence of 17441 · 2 terms
Term #1 of the Conway climb · Base 3 sequence of 27106 · 2 terms
Term #1 of the Conway climb · Base 7 sequence of 2037 · 2 terms
Term #1 of the Conway climb · Base 10 sequence of 22975 · 2 terms
Term #1 of the Conway climb · Base 12 sequence of 22894 · 2 terms
Term #1 of the Conway climb · Base 22 sequence of 17767 · 2 terms
Term #1 of the Conway climb · Base 24 sequence of 28671 · 2 terms
Term #1 of the Conway climb · Base 27 sequence of 27106 · 2 terms
Term #6 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of 12384 · 7 terms
Term #4 of the Distinct-prime home prime · Base 3 sequence of 19733 · 5 terms
Term #1 of the Distinct-prime home prime, descending · Base 2 sequence of 39687 · 2 terms
Term #1 of the Distinct-prime home prime, descending · Base 16 sequence of 23149 · 2 terms
Term #1 of the Mid-divisor concatenation · Base 2 sequence of 45204 · 2 terms
Term #3 of the Mid-divisor concatenation · Base 3 sequence of 8010 · 4 terms
Term #2 of the Mid-divisor concatenation · Base 8 sequence of 13024 · 3 terms
Term #1 of the Mid-divisor concatenation · Base 10 sequence of 47788 · 2 terms
Term #1 of the Mid-divisor concatenation · Base 16 sequence of 45204 · 2 terms
Is factor of

Primality

Verified directlyproven prime

Checked deterministically (below 300 digits).

From the command linefdb · curl
fdb
fdb number '52919' --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":"52919"},"decimal":false,"detail":2}}'