Hexadecimal Number System
Explore the hexadecimal number system and its importance in data representation within computing. Understand how hexadecimal digits correspond to binary and decimal values, and learn methods to convert between these number systems accurately. This lesson aids in grasping key bit operations essential for programming.
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Overview
The binary system may not be readable especially when the numbers are large. Therefore, the more readable hexadecimal system has been widely adopted especially in computer technologies.
The hexadecimal system has sixteen numerals. Since alphabets do not have more than ten numerals, this system borrows six letters from the Latin alphabet and uses them along with the regular numerals: 0123456789abcdef. The numerals a, b, c, d, e, and f have the values 10, 11, 12, 13, 14, and 15, respectively. The letters ABCDEF can be used as well.
Similar to other number systems, the value of every digit is 16 times the value of the digit on its right-hand side: 1, 16, 256, ...