Not really a joke … just a tiny bit of math fun. 142857 is a cyclic number - its digits always appear in the same order but will rotate around when multiplied by any number from 1 to 6:142857 x 1 = 142857142857 x 2 = 285714142857 x 3 = 428571142857 x 4 = 571428142857 [...]

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