🕊 Link

🧑🏻‍💻 Code(javascript)

function solution(n) {
  let answer = "";
  while (n > 0) {
    switch (n % 3) {
      case 1:
        answer = 1 + answer;
        n = Math.floor(n / 3);
        break;
      case 2:
        answer = 2 + answer;
        n = Math.floor(n / 3);
        break;
      case 0:
        answer = 4 + answer;
        n = n / 3 - 1;
        break;
    }
  }
  return answer;
}

💡 Solution

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