Q: What is the digital root of 403,213,399
A: 7
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.
Split the number up and add each digit together:
If the answer is more than one digit, you would add each digit of the answer together again:
What is the digital root of number 403,213,399?
Answer: 7
Number | 403,213,397 | 403,213,398 | 403,213,400 | 403,213,401 |
Digital Root | 5 | 6 | 8 | 9 |