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# Power of Three LeetCode Solution

## Problem – Power of Three

Given an integer `n`, return `true` if it is a power of three. Otherwise, return `false`.

An integer `n` is a power of three, if there exists an integer `x` such that `n == 3x`.

Example 1:

``````Input: n = 27
Output: true``````

Example 2:

``````Input: n = 0
Output: false``````

Example 3:

``````Input: n = 9
Output: true``````

Constraints:

• `-231 <= n <= 231 - 1`

### Power of Three LeetCode Solution in Java

``````public class Solution {
public boolean isPowerOfThree(int n) {
// 1162261467 is 3^19,  3^20 is bigger than int
return ( n>0 &&  1162261467%n==0);
}
``````

### Power of Three LeetCode Solution in C++

``````class Solution {
public:
bool isPowerOfThree(int n) {
return fmod(log10(n)/log10(3), 1)==0;
}
};
``````

### Power of Three LeetCode Solution in Python

``````class Solution(object):
def isPowerOfThree(self, n):
return n > 0 and 1162261467 % n == 0``````
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