Math curiosities

in #math2 years ago

Kaprekar's constant - 6174

In 1949, an Indian mathematician, Dr. Kaprekar, discovered an amazing property of the number 6174, which was named the Kaprekar constant.

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The magician behind 6174 discovered by Kaprekar have following rule explained in the next image.

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This routine doesn't reach the number 6174 only if you use repdigits such as 1111 or 5555
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