В Label не выводится амперсанд

for (int i = 0; i < 15; i++)
{
    Random r1 = new Random();
    Random r2 = new Random();
    Random operand = new Random();
    int a1 = r1.Next() % 16;
    int a2 = r2.Next() % 16;
    int op1 = operand.Next() % 3;
    char v = oper[op1];
    label6.Text = a1.ToString() + v.ToString() + a2.ToString() + "\n";
    if (op1 == 0)
    {
        int ans1 = a1 & a2;
        if (textBox1.Text == ans1.ToString())
        {
            corr++;
        }
    }
    if (op1 == 1)
    {
        int ans2 = a1 | a2;
        if (textBox1.Text == ans2.ToString())
        {
            corr++;
        }
    }
    if (op1 == 2)
    {
        int ans3 = a1 ^ a2;
        if (textBox1.Text == ans3.ToString())
        {
            corr++;
        }
    }