Sum of Digits of 409
ANSWER : 13
The sum of the digits in the number 409 is: 4 + 0 + 9 = 13
How to Calculate the Digit Sum of 409?
To find the sum of digits of a number, simply break it into individual digits and add them. For 409:
4 + 0 + 9 = 13
The digits of 409 are: 4, 0, 9.
Their sum is: 13
Step-by-Step Digit Sum of 409
We split the number 409 into its individual digits: 4 + 0 + 9 = 13
Digit Positions in 409
| Position | Digit |
|---|---|
| 1 | 4 |
| 2 | 0 |
| 3 | 9 |
Length of 409
The number 409 has 3 digits.
Is 13 a Prime Number?
Yes, 13 is a prime number.
Digit Sums in Other Bases
- Binary: 110011001 → 5
- Octal: 631 → 10
- Hexadecimal: 199 → 19