FF · Fully factored
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.
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Term #1 of the Home prime · Base 14 sequence of
21
Term #1 of the Home prime · Base 18 sequence of
26
Term #1 of the Home prime · Base 19 sequence of
22
Term #1 of the Home prime · Base 21 sequence of
14
Term #1 of the Home prime · Base 22 sequence of
10
Term #1 of the Home prime · Base 23 sequence of
6
Term #1 of the Aliquot variants · Quasi · σ(n) − n − 1 sequence of
40
Term #1 of the Conway climb · Base 14 sequence of
21
Term #1 of the Conway climb · Base 18 sequence of
26
Term #1 of the Conway climb · Base 19 sequence of
22
Term #1 of the Conway climb · Base 21 sequence of
14
Term #1 of the Conway climb · Base 22 sequence of
10
Term #1 of the Conway climb · Base 23 sequence of
6
Is factor of
Algebraic factorization 1 factor · complete
These factors follow from the form of the expression and multiply to exactly this number.
From the command linefdb · curl
fdb
fdb number '49' --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":"49"},"decimal":false,"detail":2}}'