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What Are Prime Numbers, and Why Do They Matter?
science.howstuffworks.com/math-concepts/prime-numbers.htm
You may remember from math class that a prime number is a number that can only be divided by 1 and itself. But why are they important anyway?
What Sandpaper Grit Is Best Before Priming?
home.howstuffworks.com/home-improvement/repair/what-sandpaper-grit-should-i-use-before-priming.htm
You need to choose sandpaper grit size according to the material you're preparing to prime. Learn more about what sandpaper grit you should use before priming from this article.
Can You Get More Questions Correct Than the Prime Minister of Canada?
play.howstuffworks.com/quiz/can-you-get-more-questions-correct-than-the-prime-minister-of-canada
The prime minister has to know a whole lot of facts about the country. Often there are facts that even citizens of the country might not know. Do you think you can prove this wrong? Then let's see how well you know Canada!
We've Got Your Numbers Quiz
science.howstuffworks.com/math-concepts/numbers-quiz.htm
Whether you're a math whiz or not, there are some pretty cool number theories, beliefs and coincidences to appreciate. How down with digits are you?
What Is the Biggest Number? 6 Astronomical Contenders
science.howstuffworks.com/math-concepts/biggest-number.htm
As a child, when trying to come up with the biggest number possible, you might have said "infinity plus one." While technically infinity is the largest number because you cannot run out of numbers, the biggest numbers that we know of are still difficult to count but a bit more quantifiable.
What Is Number Theory?
science.howstuffworks.com/math-concepts/number-theory.htm
For many of us, a number is just a number, a bit of information that tells you, say, what time it is. But mathematicians look at that same number and divine relationships that underlie nature itself. Ready to enter the trippy world of number theory?
What's the Fascination With Number 23?
science.howstuffworks.com/science-vs-myth/everyday-myths/whats-fascination-with-number-23.htm
From plane crashes and deaths to sports superstitions and hexagrams, many people believe that the number 23 possesses magical properties.
What Kind of Number Am I?
play.howstuffworks.com/quiz/what-kind-of-number-am-i-1
Everything in the universe comes down to numbers. There's a baffling mathematical symmetry to everything no matter how disorganized and chaotic it is. Numbers lie at the center of everything! But what numbers? Take the quiz and see what ones you know!
What's the No. 1 reason for foreclosure?
home.howstuffworks.com/real-estate/selling-home/number-one-reason-for-foreclosure.htm
What's the No. 1 reason for foreclosure? See if subprime mortgages are the biggest reason for foreclosure.
Trillions and Quadrillions: A Short Guide to Absurdly Big Numbers
You've heard of Google, but what about a Googol? If not, then this tutorial is for you.