## 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 == 3`^{x}

.

**Example 1:**

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

**Example 2:**

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

**Example 3:**

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

**Constraints:**

`-2`^{31} <= n <= 2^{31} - 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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