calcPalindromicNumber.go

package main

import (
	"fmt"
)

func main() {
	fmt.Println(calcPalindromicNumber(9))
	fmt.Println(calcPalindromicNumber(10))
}

func reverse(str string) string {
	runes := []rune(str)
	for i, j := 0, len(runes) - 1; i < j; i, j = i + 1, j - 1 {
		runes[i], runes[j] = runes[j], runes[i]
	}
	return string(runes)
}

func calcPalindromicNumber(num rune) rune {
	for i := num;; i++ {
		if (i % 2 == 0) {
			continue;
		}
		decimal := fmt.Sprintf("%d", i)
		octal := fmt.Sprintf("%o", i)
		binary := fmt.Sprintf("%b", i)

		if (decimal == reverse(decimal) && octal == reverse(octal) && binary == reverse(binary)) {
			return i;
		}
	}
}