The "sum" is the result of adding something together, and "digits" refers to the individual
numbers that make up 8219.
8219 has 4 digits. The digits in 8219 are 8, 2, 1, and 9.
When you are asking for the sum of the digits of 8219, you are basically asking what is
8 plus 2 plus 1 plus 9?
Therefore, the sum of the digits in 8219 is as follows:
8 + 2 + 1 + 9 = 20
Sum of digits in 8220
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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