An integer literal represents a fixed-point numeric value. An integer literal must begin with one of the numeric digits 0 - 9, and may be optionally terminated with a suffix character called a radix specifier. The radix specifier tells the assembler whether the literal is to be interpreted as a base 2 (binary), 8 (octal), 10 (decimal), or 16 (hexadecimal) number. If the literal is not suffixed with a radix specifier, the assembler uses the value of the current radix to determine the base of the number. The default radix is 10 (decimal), but the .RADIX directive can be used to specify an alternate radix.