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    August 06

    Smith number

    the sum of the digits is equal to the sum of the digits of its prime factors.
    It seems that there is no perfect algrithm to get the smith number.

    4, 22, 27, 58, 85, 94, 121, 166, 202, 265 ...

    there are Smith-Brothers:728,729
    smith-triple,quads,quints（这个词很高级啊）
    12:33 AM | Blog it

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