Math Trivia and Answers

Math Trivia brings the fun into math problems. TriviaQN has a range of math trivia for beginners and the elite. Math trivia can be a part of family game night and even help to brush up on your math skills.

Easy

Which mathematician published more papers during his lifetime that any other mathematician in history?

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Answer: Paul Erdős
More information: Erdős published at least 1,525 mathematical papers during his lifetime. He engaged more than 500 collaborators and devoted most of his time to mathematics up until his death in 1996 at the age of 83 years old.

Easy

What is a positive integer that is equal to the sum of its proper positive divisors (excluding the number itself) called?

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Answer: A perfect number.
More information: You might also think of a perfect number as a number that is half the sum of all of its positive divisors, including itself! This definition is at least 2300 years old as it appears in Euclid's "Elements".

Easy

Which mathematician has an Erdős number of zero (0)?

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Answer: Paul Erdős, of course!
More information: As the Erdős number describes the "collaborative distance" in authorship of mathematical papers between mathematician Paul Erdős and another person it is only natural that Paul Erdős holds this position.

Easy

Is 8128 a perfect number?

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Answer: Yes, it is!
More information: Adding up the divisors of 8128: 1 + 2 + 4 + 8 + 16 + 32 + 64 + 127 + 254 + 508 + 1016 + 2032 + 4064 = 8128

Easy

How many obvious/trivial factors does a natural number N have?

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Answer: 4 trivial factors.
More information: The positive +1 and +N and the negative -1 and -N.

Medium

What is Bertrand Russell's Erdős number?

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Answer: 3
More information: Russell collaborated very little and no Erdös number can be found using research articles. But, as pointed out by Sachi Sri Kantha at "the Erdös number project" Russell and Albert Einstein did coauthor the Russell-Einstein "Peace" Manifesto of 1955.

Easy

What is Natalie Portman's Erdős number?

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Answer: 5
More information: Portman collaborated (using her birth name, Natalie Hershlag) with Abigail A. Baird, who has a collaboration path (Gazzaniga, Michael S. -> Victor, Jonathan D.) leading to Joseph Gillis, who has an Erdős number of 1.



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