A hexadecimal number always starts with the prefix .

In hexadecimal, the first letter after 9 is .

Hexadecimal is a numbering system with a base of .

One of the benefits of using hexadecimal is that it aligns well with addresses in computer systems.

In CSS, hexadecimal values are commonly used to specify colors.

The hexadecimal equivalent of the binary number 1101 is .