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.

FF · Fully factored
below threshold 4 digits
↪
Term #1 of the Home prime · Base 5 sequence of 2645 · 4 terms
Term #1 of the Home prime · Base 8 sequence of 973 · 4 terms
Term #1 of the Home prime · Base 10 sequence of 483 · 5 terms
Term #1 of the Home prime · Base 11 sequence of 2122 · 4 terms
Term #2 of the Inverse home prime · Base 5 sequence of 195 · 19 terms
Term #1 of the Inverse home prime · Base 10 sequence of 851 · 24 terms
Term #1 of the Largest prime factor · largest prime² + 2 sequence of 61 · 20 terms
Term #1 of the Home prime · Base 25 sequence of 2645 · 17 terms
Term #1 of the Home prime · Base 34 sequence of 357 · 24 terms
Term #1 of the Aliquot variants · Quasi · σ(n) − n − 1 sequence of 3668 · 2 terms
Term #1 of the Inverse home prime · Base 34 sequence of 1853 · 6 terms
Term #1 of the Conway climb · Base 2 sequence of 1251 · 3 terms
Term #1 of the Conway climb · Base 4 sequence of 1251 · 9 terms
Term #1 of the Conway climb · Base 8 sequence of 539 · 4 terms
Term #1 of the Conway climb · Base 10 sequence of 483 · 5 terms
Term #1 of the Conway climb · Base 11 sequence of 2122 · 16 terms
Term #1 of the Conway climb · Base 34 sequence of 357 · 16 terms
Term #1 of the Prime-stopping maps · σ(n) − 1 until a prime sequence of 1452 · 2 terms
Term #1 of the Distinct-prime home prime · Base 8 sequence of 973 · 4 terms
Term #1 of the Distinct-prime home prime · Base 10 sequence of 483 · 5 terms
Term #1 of the Distinct-prime home prime, descending · Base 10 sequence of 851 · 10 terms
Term #1 of the Second-class home prime · Base 8 sequence of 1946 · 3 terms
Term #1 of the Second-class home prime · Base 10 sequence of 966 · 4 terms
Term #1 of the Mid-divisor concatenation · Base 2 sequence of 1946 · 4 terms
Term #1 of the Mid-divisor concatenation · Base 8 sequence of 973 · 5 terms
Term #1 of the Mid-divisor concatenation · Base 16 sequence of 1946 · 9 terms
Is factor of
From the command linefdb · curl
fdb
fdb number '3723' --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":"3723"},"decimal":false,"detail":2}}'