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 #17 of the aliquot sequence of 360 · 25 terms
Term #1 of the Inverse home prime · Base 11 sequence of 1401 · 22 terms
Term #1 of the Home prime · Base 17 sequence of 3859 · 5 terms
Term #1 of the Home prime · Base 27 sequence of 259 · 18 terms
Term #2 of the Aliquot variants · Bi-unitary · σ**(n) − n sequence of 3160 · 3 terms
Term #2 of the Aliquot variants · Infinitary · σ∞(n) − n sequence of 3160 · 3 terms
Term #1 of the Inverse home prime · Base 14 sequence of 734 · 17 terms
Term #1 of the Inverse home prime · Base 23 sequence of 2453 · 18 terms
Term #5 of the Conway climb · Base 3 sequence of 2448 · 28 terms
Term #2 of the Conway climb · Base 14 sequence of 4893 · 8 terms
Term #1 of the Conway climb · Base 17 sequence of 3859 · 15 terms
Term #1 of the Conway climb · Base 27 sequence of 259 · 10 terms
Term #1 of the Mid-divisor concatenation · Base 16 sequence of 400 · 11 terms
Is factor of
From the command linefdb · curl
fdb
fdb number '5140' --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":"5140"},"decimal":false,"detail":2}}'