People are often confused about the size of Grahams number. They don’t understand the mind boggling power of the up arrow notation. If you try to imagine infinity itself it’s nothing in comparison to Grahams number. Your brains perception of infinity is zero compared to the number of digits required to write the number of levels of mathematical operation after addition and exponentiation etc in order to get to the first few steps on the path to G64 which is Grahams number