Q: What is the digital root of 405,220

 A: 4

Why is 4 the digital root of the number 405,220?

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 405,220?


Split the number up and add each digit together:


4 + 0 + 5 + 2 + 2 + 0 = 13

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

1 + 3 = 4

What is the digital root of number 405,220?

Answer: 4


More Examples

Number 405,218405,219405,221405,222
Digital Root 2356

Explore more about the number 405,220:


Ask a Question