Sum of Digits of 138
ANSWER : 12
The sum of the digits in the number 138 is: 1 + 3 + 8 = 12
How to Calculate the Digit Sum of 138?
To find the sum of digits of a number, simply break it into individual digits and add them. For 138:
1 + 3 + 8 = 12
The digits of 138 are: 1, 3, 8.
Their sum is: 12
Step-by-Step Digit Sum of 138
We split the number 138 into its individual digits: 1 + 3 + 8 = 12
Digit Positions in 138
| Position | Digit |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 8 |
Length of 138
The number 138 has 3 digits.
Is 12 a Prime Number?
No, 12 is not a prime number.
Digit Sums in Other Bases
- Binary: 10001010 → 3
- Octal: 212 → 5
- Hexadecimal: 8A → 18