Problem 165. Woodall number

Created by the cyclist

Solve Later

{"relationships":[{"relationshipType":"http://schemas.mathworks.com/matlab/code/2013/relationships/document","targetMode":"","relationshipId":"rId1","target":"/matlab/document.xml"},{"relationshipType":"http://schemas.mathworks.com/matlab/code/2013/relationships/output","targetMode":"","relationshipId":"rId2","target":"/matlab/output.xml"}],"parts":[{"partUri":"/matlab/document.xml","relationship":[],"contentType":"application/vnd.mathworks.matlab.code.document+xml","content":"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<w:document xmlns:w=\"http://schemas.openxmlformats.org/wordprocessingml/2006/main\"><w:body><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>Test whether the input is a Woodall number:</w:t></w:r><w:r><w:t> </w:t></w:r><w:hyperlink w:docLocation=\"http://en.wikipedia.org/wiki/Woodall_number\"><w:r><w:t>http://en.wikipedia.org/wiki/Woodall_number</w:t></w:r></w:hyperlink></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:rPr><w:i/></w:rPr><w:t>Please do not cheat by simply checking directly against the several test cases!</w:t></w:r></w:p></w:body></w:document>"},{"partUri":"/matlab/output.xml","contentType":"text/xml","content":"<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\" ?><embeddedOutputs><metaData><evaluationState>manual</evaluationState><layoutState>code</layoutState><outputStatus>ready</outputStatus></metaData><outputArray type=\"array\"/><regionArray type=\"array\"/></embeddedOutputs>"}]}

Solve

Solution Stats

331 Solutions
138 Solvers

Last Solution submitted on May 17, 2021

Last 200 Solutions

Problem Comments

2 Comments

2 Comments

Selvaraaju Murugesan on 20 Mar 2013

Got an error because there is no symbolic toolbox in Cody ! How can I test for woodall number without using lambert W function?

Daniel Pereira on 6 May 2016

Somehow related to https://www.mathworks.com/matlabcentral/cody/problems/42848-lambert-s-w

Solution Comments

Solution 4445422

1 Comment

1 Comment

Lincoln Poon on 25 Dec 2020

My algorithm works. But it fails to produce the correct result once it goes beyond 895...

Solution 1018548

1 Comment

1 Comment

David Verrelli on 3 Sep 2018

This user (mohamed elbesealy) appears to have gamed the system, with fraudulent "likes" of this unremarkable solution submitted by 'sock-puppet' accounts. —DIV

Problem Recent Solvers138

Problem Tags

woodall number theory

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Problem 165. Woodall number

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers138

Suggested Problems

More from this Author23

Problem Tags

Community Treasure Hunt

Problem 165. Woodall number

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers138

Suggested Problems

More from this Author23

Problem Tags

Community Treasure Hunt

Players