math trivia.. :)

Did you know that…..

111,111,111 x 111,111,111 = 12,345,678,987,654,321

1,741,725 = 1 7 + 7 7 + 4 7 + 1 7 + 7 7 + 2 7 + 5 7

There are 293 ways to make change for a dollar.

Assuming Rudolph is in front, there are 40,320 ways to arrange the other eight reindeer.

The largest prime number is 13,395 digits long

2 and 5 are the only primes that end in 2 or 5

1 and 2 are the only numbers where they are the values of the numbers of factors they have.

You would have to count to one thousand to use the letter "A" in the English language to spell a whole number.

Rene Descartes came up with the theory of coordinate geometry by looking at a fly walk across a tiled ceiling.