Magical number
Enter 999999 into your calculator and then divide
it by 7: 999999 รท 7 = 142857
The result is a special number.
Pick any
number from 1 to 6 and multiply it with the special number.
Note the product.
Now pick a different number from 1 to6 and repeat
the above steps.
What do you observe?
When you multiply the special number with any
number from 1 to 6, the product features the same digits in different arrangements!
142857 x 1 = 142857
142857 x 2 = 285714
142857 x 3 = 428571
142857 x 4 = 571428
142857 x 5 = 714285
142857 x 6 = 857142
