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About This Quiz
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 was the last number that mathmeticians finally figured out how to express as the sum of three cubes?
33
42
111
What number's mystical significance might have started with a story from author William Burroughs?
47
13
23
After age 30, how much more likely is the average person to die?
The risk of death doubles every eight years.
The death risk doesn't take a big leap until age 50.
The risk of death triples after age 40.
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Where did fear of the number 666 originate?
"Carrie" by Stephen King
the New Testament's Book of Revelation
Dante's "Inferno"
What type of numbers are often used to complete secure credit card transactions?
prime numbers
irrational numbers
square numbers
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What is a "perfect number"?
a perfectly symmetrical number, like 8
a positive integer equal to the sum of its proper divisors
an answer which has no remainder at the conclusion of a division problem
What's cool about pi?
No matter the size of the circle, the ratio of circumference to diameter will always equal 3.14.
As a circle doubles in size, pi will also double.
It tastes great with a cup of coffee.
Evolutionary biologist Robin Dunbar said the human brain can't handle more than this number of friends:
150
100
200
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