Sum of Digits of 990
ANSWER : 18
The sum of the digits in the number 990 is: 9 + 9 + 0 = 18
How to Calculate the Digit Sum of 990?
To find the sum of digits of a number, simply break it into individual digits and add them. For 990:
9 + 9 + 0 = 18
The digits of 990 are: 9, 9, 0.
Their sum is: 18
Step-by-Step Digit Sum of 990
We split the number 990 into its individual digits: 9 + 9 + 0 = 18
Digit Positions in 990
| Position | Digit |
|---|---|
| 1 | 9 |
| 2 | 9 |
| 3 | 0 |
Length of 990
The number 990 has 3 digits.
Is 18 a Prime Number?
No, 18 is not a prime number.
Digit Sums in Other Bases
- Binary: 1111011110 → 8
- Octal: 1736 → 17
- Hexadecimal: 3DE → 30