What is your favorite number? For many people, it may be an irrational number such as pi (π), Euler’s number (e) or the square root of 2. Even among the natural numbers (positive integers), there are ...

Does it seem like a specific number is following you around, appearing in the most mundane places? Say you take a peek at the clock at 2:22 p.m., and then an avocado rings up to $2.22 at the grocery ...