using System;

using System.Diagnostics;

public class Program

{

    public static void Main()

    {

        Stopwatch stopwatch = new();

        stopwatch.Start();

        Convert.ToString(123456);

        stopwatch.Stop();

        Console.WriteLine($"Convert.ToString(): {stopwatch.ElapsedTicks} ticks");

        stopwatch.Restart();

        (123456).ToString();

        stopwatch.Stop();

        Console.WriteLine($"int.ToString(): {stopwatch.ElapsedTicks} ticks");

    }

}