Take all the Roman numbers (using the modern standard subtractive notation in which IV = 4, IX = 9, XL = 40, XLIX = 49, XC = 90, etc.) from I to M (1 to 1000)...

1. Which number has the most Roman letters?

2. If you group them by the number of Roman letters, which group has the most members?

3. How many numbers start with C?

4. There is something interesting about the groupings in #2. What is it?

(In reply to computer solution by Charlie)

This is interesting.  No, not the solution, etc, but the format.  How did you accomplish that?

View Source suggests some kind of XML/XHTML application? 

That I can use HTML in "Solutions" is this format similarly available? Forum discussion maybe?

Posted by brianjn on 2009-05-19 06:35:05