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Compare 21 and 129 – Number Comparison Tool

1. Which Number is Greater?

129 is greater than 21.

2. Difference Between 21 and 129

The absolute difference between the two numbers is 108.

The percentage difference relative to the larger number is approximately 83.72%.

3. Ratio of 21 to 129

The ratio of 21 to 129 is 0.16.

4. Even or Odd Status

21 is Odd.

129 is Odd.

5. Prime Number Check

21 is Not prime.

129 is Not prime.

6. Multiples and Factors

Neither number is a multiple of the other.

7. When Is Number Comparison Useful?

Comparing numbers is essential in many real-world applications, such as:

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