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.

FF · Fully factored
below threshold 2 digits

Value

16
24
↪
Term #1 of the aliquot sequence of 12 · 3 terms
Term #1 of the Home prime · Base 7 sequence of 4 · 16 terms
Term #1 of the Inverse home prime · Base 7 sequence of 4 · 21 terms
Term #1 of the Conway climb · Base 7 sequence of 4 · 5 terms
Is factor of
Algebraic factorization 1 factor · complete

These factors follow from the form of the expression and multiply to exactly this number.

2^4 Perfect-power base (^1) 1 dig
From the command linefdb · curl
fdb
fdb number id:16 --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":{"id":16},"decimal":false,"detail":2}}'