Q: What is the digital root of 87,921

 A: 9

Why is 9 the digital root of the number 87,921?

The digital root of a number is calculated by splitting the digits of a number and then adding them together. You keep splitting and adding the digits until you reach a single positive number.

How do you calculate the digital root of 87,921?


Split the number up and add each digit together:


8 + 7 + 9 + 2 + 1 = 27

If the answer is more than one digit, you would add each digit of the answer together again:

2 + 7 = 9

What is the digital root of number 87,921?

Answer: 9


More Examples

Number 87,91987,92087,92287,923
Digital Root 7812

Explore more about the number 87,921:


Ask a Question