Problem 166. Kaprekar numbers

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

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Solution Stats

Last solution submitted on Jul 17, 2019

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"

Problem 166. Kaprekar numbers

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Last 200 Solutions

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Problem 166. Kaprekar numbers

Solution Stats

Last 200 Solutions

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Solution Comments

Recent Solvers195

Suggested Problems

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