Why Is 72 The Best Number?
Why Is 72 The Best Number? “The best number is 73,” Cooper explained in the episode. “Why? 73 is the 21st prime number. Its mirror, 37, is the 12th, and its mirror, 21, is the product of multiplying seven and three … and in binary, 73 is a palindrome, 1001001, which backwards is 1001001.” Why