7221 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 number7221:

Step 1: Convert Octal to Binary

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

78 = 1112

28 = 0102

28 = 0102

18 = 0012

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 1001 0001

With Zeros: 1110 1001 0001

Step 3: Convert Each Group to Hexadecimal

Convert each group of binary digits to its hexadecimal equivalent:

11102 = E16

10012 = 916

00012 = 116

So, the hexadecimal representation of the octal number 7221 is E91.
Octal To Hexadecimal Converter



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