This Programme print all the perfect number below 1600.

public class perfectnumber2{
public static void main (String []args){
int number=1;
int i;
int sum;
while(number<1600){
sum=0;
i=1;
while(i if(number%i==0){
sum=sum+i;}
i=i+1;
}
if(sum==number){
System.out.println(number);}
number=number+1;
}
}
}