static void Main()
{
int search = Convert.ToInt32(Math.Ceiling(Math.Sqrt(Math.Pow(10, 7))));
int search2 = Convert.ToInt32(Math.Ceiling(Math.Pow(10, 7)));
PrimeGenerator primeGen = new PrimeGenerator(search);
List <BigInteger> primes = primeGen.getPrimes();
double min = search2;
int tot = 0;
for (int i = 2; i <= search2; ++i)
{
tot = totient(i, primeGen);
if (Permutator.isPermutation(i, tot) &&
min >= ((double)i) / tot)
{
Console.WriteLine(i);
min = ((double)i) / tot;
}
}
Console.WriteLine("Answer: ");
// Keep the console window open in debug mode.
Console.WriteLine("Press any key to exit.");
Console.ReadKey();
}