diminished radix complement


The diminished radix complement of an n digit number y in radix b is defined to be (b^n - 1) - y. Therefore, the radix complement of a number y is the number that when added to y causes the sum to be the largest possible number that can be store in n digits.

The radix complement of a decimal number is known as the nines’s complement while the radix complement of a binary number is called the one’s complement.

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 Posted by at 1:54 pm

  3 Responses to “diminished radix complement”

  1. Could you explain why the diminished radix complement is b^n-1-y? I don’t think I fully understand the concept of a radix complement.

    How would you find a 8’s complement of a n-digit base 10 number?

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