Q: What is the digital root of 221

 A: 5

Why is 5 the digital root of the number 221?

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 221?


Split the number up and add each digit together:


2 + 2 + 1 = 5


What is the digital root of number 221?

Answer: 5


More Examples

Number 219220222223
Digital Root 3467

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