This is really an amazing problem

Number Theory Level 3

Find a five digit number " abcde ". Such that there are " a " number of zeros " b " number of ones," c " number of twos," d " number of threes and " e " number of fours.


The answer is 21200.

Deevith Dv by Deevith Dv , 21, India

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1 solution

Math Man
Feb 19, 2015

http://en.wikipedia.org/wiki/Self-descriptive_number

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Thanx man !!!!!!!!!!!!!!!!

Abhisek Mohanty - 6 years, 2 months ago

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