What is Automorphic number in Java ?

Das Nic

Jul. 01, 15 · Interview

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In mathematics an automorphic number (sometimes referred to as a circular number) is a number whose square "ends" in the same digits as the number itself.

For example,

52 = 25,

62 = 36,

762 = 5776,

and 8906252 = 793212890625,

so 5, 6, 76 and 890625 are all automorphic numbers.

And the logic behind :

int n=56;
        int d=1; int i;
        for(i=n;i>0;i=i/10)
        {
            d=d*10;
        }
        if((n*n)%d==n)
        {
            System.out.println(n+"\t"+"is Automorphic Number");
        }
        else
        {
             System.out.println(n+"\t"+"is not Automorphic Number");
            }
        }

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What is Automorphic number in Java ?

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