C# Массив римских чисел

C# Массив римских чисел

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApplication21
{    
    class Program
    {
        static void Main(string[] args)
        {
            string[] digitArray = new string[4000];

            for (int i = 1; i < 4000; i++)
                digitArray[i] = ConvertToRoman(i);

            for (int i = 1; i < 4000; i++)
                Console.WriteLine(digitArray[i]);
        }

        static string ConvertToRoman(int value)
        {
            string result = "";

            while (value > 0)
            {
                int valuePart = 0;
                int valueBase = 0;

                if (value >= 1000)
                    valueBase = 1000;
                else if (value >= 100)
                    valueBase = 100;
                else if (value >= 10)
                    valueBase = 10;
                else
                    valueBase = 1;

                valuePart = value / valueBase * valueBase;
                value -= valuePart;

                if (valuePart / valueBase == 9)
                {
                    if (valueBase == 100)
                        result = result + "CM";
                    else if (valueBase == 10)
                        result = result + "XC";
                    else
                        result = result + "IX";
                }
                else if (valuePart / valueBase == 4)
                {
                    if (valueBase == 100)
                        result = result + "CD";
                    else if (valueBase == 10)
                        result = result + "XL";
                    else
                        result = result + "IV";    
                }
                else
                {
                    if (valueBase == 1000)
                    {
                        while (valuePart > 0)
                        {
                            result = result + "M";
                            valuePart -= 1000;
                        }
                    }
                    else if (valueBase == 100)
                    {
                        if (valuePart >= 500)
                        {
                            result = result + "D";
                            valuePart -= 500;
                        }

                        while (valuePart > 0)
                        {
                            result = result + "C";
                            valuePart -= 100;    
                        }
                    }
                    else if (valueBase == 10)
                    {
                        if (valuePart >= 50)
                        {
                            result = result + "L";
                            valuePart -= 50;
                        }

                        while (valuePart > 0)
                        {
                            result = result + "X";
                            valuePart -= 10;
                        }
                    }
                    else//valueBase == 1
                    {
                        if (valuePart >= 5)
                        {
                            result = result + "V";
                            valuePart -= 5;
                        }

                        while (valuePart > 0)
                        {
                            result = result + "I";
                            valuePart -= 1;
                        }

                    }
                        
                }

            }

            return result;
        }
    }
}