what's the numbers
A digit in base [math]n[/math] is one of the [math]n[/math] symbols used to represent the whole numbers zero through [math]n-1[/math]. Thus in base ten the digits [math]0,1,2,3,4,5,6,7,8,9[/math] are used to represent the numbers zero, one, two, three, four, five, six, seven, eight, nine.