Q: What is the digital root of 646

 A: 7

Why is 7 the digital root of the number 646?

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 646?


Split the number up and add each digit together:


6 + 4 + 6 = 16

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

1 + 6 = 7

What is the digital root of number 646?

Answer: 7


More Examples

Number 644645647648
Digital Root 5689

Explore more about the number 646:


Ask a Question