0.142857 is the only number that repeats the last 6 digit number for example: 1/7 = 0.142857142857142857142857... even crazier than that is if you multiply 0.142857 with the numbers 1, 2, 3, 4 ,5 and 6, you'll get this: 0.142857 x1 = 0.142857 0.142857 x2 = 0.285714 0.142857 x3 = 0.428571 0.142857 x4 = 0.571428 0.142857 x5 = 0.714285 0.142857 x6 = 0.857142 crazy right?