How can you get the first digit in an int (C#)?

Question

In C#, what\'s the best way to get the 1st digit in an int? The method I came up with is to turn the int into a string, find the 1st char of the string, then turn it back to

Answer 1

while (i > 10)
{
   i = (Int32)Math.Floor((Decimal)i / 10);
}
// i is now the first int