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Re:Fun with math: Dividing one by 998001 yields a surprising... by dimitar on Thursday January 26, 2012 @07:39PM (#3516699)
Some fun that can fit on a poket calculator:

12345679 * 9 = 111111111

12345679 * 18 = 222222222

12345679 * 27 = 333333333

12345679 * 36 = 444444444

12345679 * 45 = 555555555

12345679 * 54 = 666666666

12345679 * 63 = 777777777

12345679 * 72 = 888888888

12345679 * 81 = 999999999

12345679 * 999999999 = 12345678987654321

Re:Fun with math: Dividing one by 998001 yields a surprising... by grusk on Friday January 27, 2012 @12:33AM (#3517257)
The way I was introduced to this was as a math trick: Pick a number 1-9, multiply by 9, then 12345679, and you get a string of whatever number you picked.

Also, pick any three-digit number, multiply by 7, 11, and 13 (or 1001), and you get your three-digit number repeated twice.

Re:Fun with math: Dividing one by 998001 yields a surprising... by buddydvd on Thursday January 26, 2012 @11:32PM (#3517158)
And this too: 111111111111111111111111111 / 9 = 12345679012345679012345679