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.

Challenge yourself with a Math Trivia Quiz!

Easy

What is the sum of the angles of a triangle?

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Answer: 180 degrees
The angles of a triangle always sum to 180 degrees.

Easy

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

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Answer: Paul Erdős
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

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

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Answer: Paul Erdős, of course!
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

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

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

Easy

Is 36 a perfect number?

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Answer: No, it's not!
Adding up the divisors of 36: 1 + 2 + 3 + 4 + 6 + 9 + 12 + 18 = 55

Easy

What is Natalie Portman's Erdős number?

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Answer: 5
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.

Medium

What number comes next: 1, 11, 21, 1211, 111221, ...?

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Answer: 312211
John Conway's "look and say" sequence has no digits other than 1, 2, and 3 in it, unless the seed number contains such a digit or a run of more than three of the same digit. A degenerate sequence appears with the seed of 22.



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