Converts a number to a specified base.
Syntax:
BASE(number, radix:Number {, minimum_length:Number})
Converts number using the given radix.
If radix is greater than ten, letters in the range A to Z are used to represent ten upwards.
If minimum_length is specified, zeros are used to pad the conversion at the left.
Revisions:
This function was added in 2.24.