7120 Octal in Hex

Converting an octal number to hexadecimal without a calculator involves first converting the octal number to binary, then grouping the binary digits into groups of four, and finally converting each group to its hexadecimal equivalent. Here's a step-by-step guide for octal number7120:

Step 1: Convert Octal to Binary

Convert each octal digit to its 3-bit binary equivalent:

78 = 1112

18 = 0012

28 = 0102

08 = 0002

Step 2: Group Binary Digits

Group the binary digits into groups of four, starting from the right. If the last group has fewer than four digits, pad it with zeros on the left.

Binary: 1110 0101 0000

With Zeros: 1110 0101 0000

Step 3: Convert Each Group to Hexadecimal

Convert each group of binary digits to its hexadecimal equivalent:

11102 = E16

01012 = 516

00002 = 016

So, the hexadecimal representation of the octal number 7120 is E50.
Octal To Hexadecimal Converter



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