The digits, you mean?

    -:&:(/:~)&:(10&#.^:_1)"0

would be one way.  Is 35 a permutation of 503?

Henry Rich

On 9/22/2011 5:41 PM, David Vaughan wrote:
> Hi, what is the best (fastest) way to check whether a number is a permutation 
> of another number?
> I've tried listing all permutations of one number and checking whether the 
> other number is in the list of permutations. This seems pretty slow, so I was 
> hoping for a faster method.
>
> Thanks.
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