The "sum" is the result of adding something together, and "digits" refers to the individual
numbers that make up 2784.
2784 has 4 digits. The digits in 2784 are 2, 7, 8, and 4.
When you are asking for the sum of the digits of 2784, you are basically asking what is
2 plus 7 plus 8 plus 4?
Therefore, the sum of the digits in 2784 is as follows:
2 + 7 + 8 + 4 = 21
Sum of digits in 2785
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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