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Given an integer, write a function to determine if it is a power of three.
Example 1:
Input: 27 Output: true Example 2:
Input: 0 Output: false Example 3:
Input: 9 Output: true Example 4:
Input: 45 Output: false
The text was updated successfully, but these errors were encountered:
var isPowerOfThree = function(n) { if (n < 1) { return false; } while (n > 1) { if (n % 3 !== 0) { return false; } n = n/3; } return true; };
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Given an integer, write a function to determine if it is a power of three.
Example 1:
Input: 27
Output: true
Example 2:
Input: 0
Output: false
Example 3:
Input: 9
Output: true
Example 4:
Input: 45
Output: false
The text was updated successfully, but these errors were encountered: