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 #15 of the aliquot sequence of 360 · 25 terms
Term #2 of the Home prime · Base 11 sequence of 1882 · 4 terms
Term #1 of the Home prime · Base 17 sequence of 4777 · 14 terms
Term #1 of the Home prime · Base 31 sequence of 1945 · 8 terms
Term #2 of the Aliquot variants · Quasi · σ(n) − n − 1 sequence of 4672 · 3 terms
Term #2 of the Inverse home prime · Base 15 sequence of 58 · 23 terms
Term #1 of the Inverse home prime · Base 29 sequence of 537 · 13 terms
Term #1 of the Inverse home prime · Base 31 sequence of 2839 · 5 terms
Term #1 of the Inverse home prime · Base 33 sequence of 2041 · 18 terms
Term #2 of the Conway climb · Base 11 sequence of 1882 · 19 terms
Term #1 of the Conway climb · Base 17 sequence of 4777 · 13 terms
Term #1 of the Conway climb · Base 31 sequence of 1945 · 10 terms
Term #1 of the Mid-divisor concatenation · Base 2 sequence of 2960 · 6 terms
Term #2 of the Mid-divisor concatenation · Base 10 sequence of 4418 · 5 terms
Is factor of
From the command linefdb · curl
fdb
fdb number '5194' --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":"5194"},"decimal":false,"detail":2}}'