Brain Teasers
No New Digits
What 6 digit number when multiplied by either 2, 3, 4, 5 or 6 has no new digits which appear?
Answer
142857.142857 * 2 = 287514
142857 * 3 = 428571
142857 * 4 = 571428
142857 * 5 = 714285
142857 * 6 = 857142
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