With the coming on 12/12/2012, I thought you might be interested in learning the Mayan numbering system.
They used a base 20 system for counting with dot and line symbols to represent the numbers.
Here’s a video I found on youtube which explains the exact system the Mayans used.
Mayan Numbers Lesson
So what do you think? Seems to be very logical, especially since we have 20 fingers and toes, right?