Q: What is the digital root of 397,428

 A: 6

Why is 6 the digital root of the number 397,428?

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 397,428?


Split the number up and add each digit together:


3 + 9 + 7 + 4 + 2 + 8 = 33

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

3 + 3 = 6

What is the digital root of number 397,428?

Answer: 6


More Examples

Number 397,426397,427397,429397,430
Digital Root 4578

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