- The document contains various interesting math and number facts, including that multiplying two very large numbers equals an even larger number, the many ways to make change for $1 and arrange reindeer, and properties of prime numbers and pi.

1. Did you know that…..

2. 111,111,111 x 111,111,111 = 12,345,678,987,654,321

3. 1,741,725 = 1 7 + 7 7 + 4 7 + 1 7 + 7 7 + 2 7 + 5 7

4. There are 293 ways to make change for a dollar.

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

6. The largest prime number is 13,395 digits long

7. 2 and 5 are the only primes that end in 2 or 5

8. 1 and 2 are the only numbers where they are the values of the numbers of factors they have.

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

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

11. If each count were one second long, it would take about twelve days to count to a million and thirty-two years to count to a billion.

12. In the value of Pi the digits to the right of its decimal point can keep going forever, and there is no pattern to these digits.

13. The first one thousand digits of Pi are: 3.141592653589793238462643383279502884197169399375105820974944592 3078164062862089986280348253421170679821480865132823066470938440 9550582231725359408128481117450284102701938521105559644622948954 9303819644288109756659334461284756482337867831652712019091456485 6692346034861045432664821339360726024914127372458700660631558817 4881520920962829254091715364367892590360011330530548820466521384 1469519415116094330572703657595919530921861173819326117931051185 4807446237996274956735188575272489122793818301194912983367336244 0656643086021394946395224737190702179860943702770539217176293176 7523846748184676694051320005681271452635608277857713427577896091 7363717872146844090122495343014654958537105079227968925892354201 9956112129021960864034418159813629774771309960518707211349999998 3729780499510597317328160963185950244594553469083026425223082533 4468503526193118817101000313783875288658753320838142061717766914 7303598253490428755468731159562863 82353787593751957781857780532 171226806613001927876611195909216420199