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How many numbers used in a number system


The decimal number system that we use every day has 10 digits {0,1,2,3,4,5,6,7,8,9} and so the radix is 10 (also called Base 10).

Binary digits can only be 0 or 1, so the radix is 2 (or Base 2).

"Radix" can also mean the number that is going to be raised to a power.

Example: in 82, 8 is the radix (or, more commonly, the base)

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