MySQL CONV() Function

Convert a number from numeric base system 10 to numeric base system 2:

SELECT CONV(15, 10, 2);

Definition and Usage

The CONV() function converts a number from one numeric base system to another, and returns the result as a string value.

Note: This function returns NULL if any of the parameters are NULL.

Tip: Also look at the BIN() function.

CONV( number, from_base, to_base)

Parameter	Description
number	Required. A number
from_base	The numeric base system of number (a number between 2 and 36)
to_base	The numeric base system to convert to (a number between 2 and 36 or -2 and -36)

Works in:	From MySQL 4.0

Convert a number from numeric base system 2 to numeric base system 10:

SELECT CONV(1111, 2, 10);

Convert a number from numeric base system 10 to numeric base system 16:

SELECT CONV(88, 10, 16);