1. Get a calculator up on your phone, computer, ipod etc. It doesnt matter
2. Keep multiplying RANDOM NUMBERS BETWEEN 1 AND 9 until you get a number between 1 million and 1 billion
3. Give me every single number in that huge number except any one number, the number you don't tell me will be your secret number (you don't have to say all the numbers in order)
4. Let me read your mind and tell you what the secret number is.
It'll only work if they're single digit numbers that you multiply and if the end number is between one million and one billion numbers long!