Math Trivia and Answers

Challenge yourself with a Math Trivia Quiz!

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.

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

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

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

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.



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