
Sum of Digits of 309
ANSWER : 12
The sum of the digits in the number 309 is: 3 + 0 + 9 = 12
How to Calculate the Digit Sum of 309?
To find the sum of digits of a number, simply break it into individual digits and add them. For 309:
3 + 0 + 9 = 12
The digits of 309 are: 3, 0, 9.
Their sum is: 12
Step-by-Step Digit Sum of 309
We split the number 309 into its individual digits: 3 + 0 + 9 = 12
Digit Positions in 309
Position | Digit |
---|---|
1 | 3 |
2 | 0 |
3 | 9 |
Length of 309
The number 309 has 3 digits.
Is 12 a Prime Number?
No, 12 is not a prime number.
Digit Sums in Other Bases
- Binary: 100110101 → 5
- Octal: 465 → 15
- Hexadecimal: 135 → 9