
Sum of Digits of 221
ANSWER : 5
The sum of the digits in the number 221 is: 2 + 2 + 1 = 5
How to Calculate the Digit Sum of 221?
To find the sum of digits of a number, simply break it into individual digits and add them. For 221:
2 + 2 + 1 = 5
The digits of 221 are: 2, 2, 1.
Their sum is: 5
Step-by-Step Digit Sum of 221
We split the number 221 into its individual digits: 2 + 2 + 1 = 5
Digit Positions in 221
Position | Digit |
---|---|
1 | 2 |
2 | 2 |
3 | 1 |
Length of 221
The number 221 has 3 digits.
Is 5 a Prime Number?
Yes, 5 is a prime number.
Digit Sums in Other Bases
- Binary: 11011101 → 6
- Octal: 335 → 11
- Hexadecimal: DD → 26