The "sum" is the result of adding something together, and "digits" refers to the individual
numbers that make up 1776.
1776 has 4 digits. The digits in 1776 are 1, 7, 7, and 6.
When you are asking for the sum of the digits of 1776, you are basically asking what is
1 plus 7 plus 7 plus 6?
Therefore, the sum of the digits in 1776 is as follows:
1 + 7 + 7 + 6 = 21
Sum of digits in 1777
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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