> Nobody cares how many collections of 6 digits something has. 3 digits are what people care about. (Except where they care about 4 4 is a more common grouping

> Nobody cares how many collections of 6 digits something has. 3 digits are what people care about. (Except where they care about 4 4 is a more common grouping than either 3 or 6. All of China and Japan and many places in between group their digits in fours. And I always group the digits of hexadecimal numbers in fours.