Problem 166. Kaprekar numbers

Created by the cyclist

Solve Later

Test if the input is a Kaprekar number: http://mathworld.wolfram.com/KaprekarNumber.html. Return a logical true or false.

Solve

Solution Stats

516 Solutions
208 Solvers

Last Solution submitted on Feb 24, 2020

Last 200 Solutions

Problem Comments

2 Comments

2 Comments

Raihan Ahmed on 19 Nov 2015

Superb Problem

Jonathan Cratter on 2 Dec 2018

nnnnn

Solution Comments

Solution 903585

3 Comments

3 Comments

Grace O'Neil on 8 Jun 2016

I wish I could see this solution.

Tim on 9 Jun 2016

It contains the line "if x == 704 | x == 681319 | x==681320", so you are not missing anything deep.

the cyclist on 14 Jun 2016

Changed test suite to deny this "solution"

Solution 214423

2 Comments

2 Comments

Harish Maradana on 8 Mar 2013

703 not working

the cyclist on 9 Mar 2013

This solution only tests for divisibility by 9, not whether the number is a Kaprekar number.

Solution 66738

2 Comments

2 Comments

MD. MASRUL HUDA on 24 Jun 2012

this is no more coding but ...............

the cyclist on 14 Jun 2016

Changed test suite to deny this "solution"

Solution 14129

2 Comments

2 Comments

MD. MASRUL HUDA on 24 Jun 2012

this fake solution ,take the advantage of system

the cyclist on 14 Jun 2016

Changed test suite to deny this "solution"

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kaprekar

Problem 166. Kaprekar numbers

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Last 200 Solutions

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Problem Recent Solvers208

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Problem 166. Kaprekar numbers

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers208

Suggested Problems

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