public static String oddity(BigInteger n) {
        int n2 = n.intValue();
        int count = 0;
        for(int i = 1; i <= n2; i++){
            if(n2 % i == 0){
                count++;
            }
        }
        if(count % 2 == 0){
            return "even";
        }
        return "odd";
    }