Question

what do you mean by digit sum​

Answer 1

Answer:

In mathematics, the digit sum of a natural number in a given number base is the sum of all its digits. For example, the digit sum of the decimal number {displaystyle 9045} would be {displaystyle 9+0+4+5=18}.

Step-by-step explanation:

Answer 2

Answer:

The digit sum of a number, say 152, is just the sum of the digits, 1+5+2=8. ... The digit sum is the end result of repeatedly computing the sum of the digits until a single digit answer is obtained. The digit sum of a number n is denoted as DigitSum(n).

Step-by-step explanation:

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