digit sum

名词 n.
中文释义

英文释义

名词 n.
  1. The sum of all digits.
    — The digit sum of 517 is 5 + 1 + 7 = 13.
  2. the number obtained when repeatedly applying above described operation until arriving at a single-digit number.
    — The digit sum of 517 is 4, since 5 + 1 + 7 = 13 and 1 + 3 = 4.

词形变化

digit sums plural
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