Use the method I've described here: http://www.mathhelpforum.com/math-he...ctal-form.html

I'm going to show you the last example so you can see that and how it works:

589 : 16 = 36 >>>>>> R = 13 that isDas hex number

36 : 16 = 2 >>>>>>> R =4

2 : 16 = 0 >>>>>>> R =2

Therefore