radix complement

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radix complement ‎(plural radix complements)

  1. The number which, added to the given n-digit number in radix r, results in r^n. In binary (r=2), this is the two's complement.
    The radix complement of 01100101_2 is 10011011_2.
    The radix complement of 138053_{10} is 861947_{10}.
    The radix complement of 0423102_5 is 4021343_5.

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