## What is a hexadecimal number?

A hexadecimal number is a 16-bit number which is an advanced representation of binary numbers. All the advanced computer systems use hexadecimal numbers while the traditional numbering system uses binary or decimal numbers. The hex number includes 0 to 9 numbers and A to F letters. These letters make it the 16-bit numbers.

The biggest advantage of a hexadecimal number is nothing but it is a 16-bit number and it is an advanced representation of a binary number. This simply means that it can easily replace the binary number. Along with that, a hexadecimal number can describe a number in the shorter format because it is a 16-bit number while decimal is a base-10 number and octal is a base-8 number. This means if a developer wants to represent a number in the least digits then considering a hexadecimal number can be the right choice. Being the base-16 number is the biggest disadvantage of a hex number. Since it is the base-16 number, it occupies a huge amount of space on the memory. For that reason, most developers do not prefer to use a hexadecimal number for small projects. Instead of that, developers use a decimal number or small projects. 