GRAHAM'S NUMBER (G₆₄) is really cool. It is mind-boggling how big it actually is. I can't even express how big it is. 100¹⁰⁰ grains of sand would completely fill the whole universe, but Graham's number is that TIMES INFINITY.* READ THIS ARTICLE ON GRAHAM'S NUMBER: https://waitbutwhy.com/2014/11/1000000-grahams-number.html *Not actually times infinity, but it is so big its easier to express it as infinity. I'm pretty good with math. I know you cannot multiply an integer by infinity. Please don't beat me up about it.