Here is a mysterious number that has many stories associated with it. Let's start with multiplication and see what happens.
142 857 × 1 = 142 857
142 857 × 2 = 285 714
142 857 × 3 = 428 571
142 857 × 4 = 571 428
142 857 × 5 = 714 285
142 857 × 6 = 857 142
The same numbers change their position, moving like a ribbon.
А 142 857 × 7?
999 999!
If you add 142 and 857 together, you get 999.
14 + 28 + 57 = 99
142,857 squared gives 20,408,122,449; 20,408 and 122,449 are two parts of that number. If you add them together, you get... 142,857. 0 reply
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