about ten years ago, i wondered if a culture might have had six fingers on one hand and seven fingers on the other, if they might have developed a number system based on thirteen... moreabout ten years ago, i wondered if a culture might have had six fingers on one hand and seven fingers on the other, if they might have developed a number system based on thirteen (instead of ten). i wondered if a system based on thirteen might have similar ability to use numbers, and that once a culture adapted to base thirteen and invented or discovered it's mathemagic that they would be convinced that they have the universe's best easiest most productive way to work/play with numbers.i had time, energy and curiosity, so i worked out multiplication tables and then used them to work out the division tables. i was fascinated by the patterns i found in base thirteen,but it does seem like a crappy system for numbers. but, again, if i had a whole culture who lived for lifetimes using it, maybe it could be better.there are some similarities to base ten. instead of the magic of nine (3x3) there is the magic of twelve (4x3), which is not as obviously balanced. anyway, there it is. i have the tables written... less