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!

Medium

What is Bertrand Russell's Erdős number?

Show Answer

Answer: 3
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 a positive integer that is equal to the sum of its proper positive divisors (excluding the number itself) called?

Show Answer

Answer: A perfect number.
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".

Medium

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

Show Answer

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

What is the sum of the angles of a triangle?

Show Answer

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

Easy

What is Natalie Portman's Erdős number?

Show Answer

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.

Easy

Is 36 a perfect number?

Show Answer

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

Medium

What is the median Erdős number of Fields Medalists?

Show Answer

Answer: 3
Of course, as time passes, the smallest Erdős number that can still be achieved will necessarily increase, as mathematicians with low Erdős numbers die and become unavailable for collaboration.

Easy

Is 8128 a perfect number?

Show Answer

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



Other Categories


Feedback

Did we miss something? Is the answer wrong? Please, let us know about it through our feedback box


Subscribe to Newsletter

We'll send you weekly trivia and other fun stuff!


© TriviaQuestionsNow.com
Privacy Policy