Octal and hexadecimal are both numeric number systems used in computer programming and engineering. Octal uses base-8, while hexadecimal uses base-16.
In octal, the digits are 0-7, as eight is the base. For example, in octal 10 equals eight in decimal and 32 octal equals decimal twenty-five. Octal numbers are commonly designated with a leading zero, so 10 would be written as 010. Octal finds some use for permissions on UNIX and Linux file systems.
Hexadecimal digits are 0-9 and A-F, as sixteen is the base. Each hexadecimal digit represents four binary digits, also known as a nibble. For instance, hexadecimal 10 equals decimal sixteen, and hexadecimal F equals decimal fifteen. Hex is widely used to display colors for graphics, as each digit can independently specify amounts of red, green and blue components. It also is common in computer architecture to display memory addresses and numbers encoded in binary. - msvj1rzehv - https://webtoolsmate.com/octal-to-hexadecimal?unique_id_bp3ys19k
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