0xF00xF4
0xF00xF4 is a hexadecimal representation of a numerical value. In decimal form, this is equal to 157972. The "0x" prefix signifies that the number is written in base 16, commonly known as hexadecimal. Hexadecimal is a system that uses 16 distinct symbols, typically digits 0-9 and letters A-F, to represent numbers. Each position in a hexadecimal number represents a power of 16.
The value 0xF00xF4 breaks down as follows: F * 16^5 + 0 * 16^4 + 0 * 16^3 + F * 16^2 + 4
In computing, hexadecimal is often used as a human-readable representation of binary-coded values. This is because