Numbers did you know facts
Did you Know 111,111,111 x 111,111,111 = 12,345,678,987,654,321.
Did you Know there is no year with 4 different different digits between 1987 and 2013.
Did you Know it is almost impossible to fold any piece of paper to half more then 7 times.
Did you Know if you multiple a single digit by 9 and then add those 2 digits the outcome will always be 9. for example: 4×9=36 -> 3+6=9.