I would say your conclusion is right. Some bases don't really make sense to use in conjunction with binary (5, 7, 10, etc.) but any power of two "works". I pref

I would say your conclusion is right. Some bases don't really make sense to use in conjunction with binary (5, 7, 10, etc.) but any power of two "works". I prefer hex to octal because a byte splits nicely into two hex digits.