The four major number systems in computer science are binary (base 2), octal (8), decimal (10), and hexadecimal (16).

In the hexadecimal system, A–F represent the values 10–15.

Hex: A=10 B=11 C=12 D=13 E=14 F=15

Binary to Hex Conversion: Split from the right into groups of 4.

1011 0010₂ = B2₁₆ = 178₁₀