C# Program to check a number is a palindrome or not


In this program, You will learn how to check a number is a palindrome or not in C#.


Some list of palindrome numbers is: 11 22 121 42124

Example: How to check a number is a palindrome or not in C#.

using System;
public class Program
{
	public static void Main(string[] args)
	{
		int n, num, r, rev = 0;

		Console.Write("Enter a number:");
		n = Convert.ToInt32(Console.ReadLine());

		num = n;

		while (n > 0)
		{
			r = n % 10;
			rev = rev * 10 + r;
			n = n / 10;
		}

		if (num == rev)
		{
			Console.WriteLine("Number is palindrome:" + num);
		}
		else
		{
			Console.WriteLine("Number is not palindrome:" + num);
		}
	}
}

Output:

Enter a number:121
Number is palindrome:121

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