The "sum" is the result of adding something together, and "digits" refers to the individual
numbers that make up 729.
729 has 3 digits. The digits in 729 are 7, 2, and 9.
When you are asking for the sum of the digits of 729, you are basically asking what is
7 plus 2 plus 9?
Therefore, the sum of the digits in 729 is as follows:
7 + 2 + 9 = 18
Sum of digits in 730
See if you can calculate the sum of the digits in the next number on our list before you go here.
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