What is a Hexadecimal?

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I was looking at a web page listing specific colors and it had a spot next to each color listing a Hexadecimal. What the hex is a Hexadecimal? I did google it but have math dyslexia (dyscalculia) so had trouble understanding. Grazie.

In: Mathematics

10 Answers

Anonymous 0 Comments

“Normal” math is “base 10”. That means it uses 10 values (0 1 2 3 4 5 6 7 8 9), and the digits of a number show powers of 10 (a 10s digit, a 100s digit, a 1000s digit, etc).

“367” in base 10 means “3x 100s, and 6x 10s, and 7x 1s”.

Hexadecimal uses 16 values instead (0 1 2 3 4 5 6 7 8 9 A B C D E F), and the digits of a number show powers of 16 (a 16s digit, a 256s digit, a 4096s digit, etc).

“367” in hexadecimal means “3x 256s, and 6x 16s, and 7x 1s”.

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