Is There a Secret Behind the Number 666? (Plus 6 Other Intriguing Numbers)

Why are people fascinated with the number 23, and why does the universe depend on Planck's Constant?

What's the Secret Behind the Number 666?   By Dave Roos These three numbers are a favorite of horror movies dealing with the occult. But where did they come from, and what or whom do they really refer to? Read more >> More Interesting Numbers What Is Planck's Constant, and Why Does the Universe Depend on It? Planck's constant helps to define the universe, but what is it? Read more >> Why Is 137 the Most Magical Number? The number 137 may just be the most magical and important number in the universe. But why? Read more >> How Pi Works   Pi has mesmerized mathematicians for 4,000 years. But what is it and why is it so important? Read more >> What's the Fascination With Number 23? Is it truly a mystical number? Read more >> Why Do Some Cultures Believe the Number 4 Is Unlucky? In the U.S everyone knows 13 is unlucky. But if you live in Asia, odds are you'd steer clear of the number 4 instead. Read more >>   13 Superstitions About Numbers   Where do the most famous superstitious numbers get their reputation? Read more >>   Copyright © 2020 HowStuffWorks, All rights reserved. You are receiving this email because you opted in at our website howstuffworks.com Our mailing address is: HowStuffWorks 1501 Main St Suite 101 Venice, CA 90291 Want to change how you receive these promotional emails? You can update your preferences or unsubscribe from this list