Checking a Number for Palindromic Behavior

Ethan Furman ethan at
Mon Oct 19 20:41:11 CEST 2009

gslindstrom wrote:
> On Oct 18, 5:56 pm, Gary Herron <gher... at> wrote:
>>Benjamin Middaugh wrote:
>>>Thanks to everyone who helped with my query on reversing integers. I
>>>have one more simple problem I'm having trouble solving. I want to
>>>check a number for palindromic behavior (reading the same backwards
>>>and forwards). So if I have an integer 1457 it can tell me this is not
>>>the same from both ends but 1551 is. I think the simplest way would be
>>>to work inwards from both ends checking digits for equality, but I
>>>don't know enough (yet) to do this.
>>>All help is much appreciated.
>>This problem (and the OP's previous problem) are probably homework
>>problems.   If so, it was unethical for the student to ask for a
>>solution here, and it was careless of several responders to provide a
>>solution.   Let's not make the same mistake this time.
>>Gary Herron
> Could be.  Or, like me, they could be working the Project Euler
> problems.  IIRC, many of the solutions involve checking for this type
> of thing.  I'd like to see the OP's work before we give our solutions,
> though.
> --greg

Absolutely.  I have no issues asking for or receiving help for 
apparently simple problems, but a description of what has been tried, 
preferably with code snippets and results, should be included with the 


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