21 Maths Jokes You’d Need To Be A Genius To Understand

I’d explain them, but there isn’t enough room in the margin.

1. What does the B in Benoît B. Mandelbrot stand for?


Benoît B. Mandelbrot.

ID: 3268325

2. There are 10 kinds of people in this world.


Those who know binary, those who don’t, and those that didn’t expect the joke to be in base 3.

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3. Why do mathematicians confuse Halloween and Christmas?


Because Oct 31 = Dec 25.

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5. What’s purple and commutes?


An Abelian grape.

ID: 3268364

7. What’s the integral of 1/cabin with respect to cabin?


Person 1: Log cabin.
Person 2. No, a houseboat. You forgot to add the C!

ID: 3268389

8. What’s an anagram of Banach-Tarski?


Banach-Tarski Banach-Tarski.

ID: 3268413

9. An infinite number of mathematicians walk into a bar. The first orders a beer, the second orders half a beer, the third orders a quarter of a beer and so on.


After the seventh order, the bartender pours two beers and says, “you fellas ought to know your limits.”

ID: 3268697

10. A museum visitor was admiring a Tyrannosaurus fossil, and asked a nearby museum employee how old it was.

Mario Modesto / Via en.wikipedia.org

Via Wikipedia: “That skeleton’s sixty-five million and three years, two months and eighteen days old,” the employee replied. “How can you know it that well?” she asked. “Well, when I started working here, I asked a scientist the exact same question, and he said it was sixty-five million years old—and that was three years, two months and eighteen days ago.”

Taken from Proofiness by Charles Seife.

ID: 3269117

12. What do you get if you cross an elephant and a banana?

Wild Africa Nature




ID: 3276363

13. Why did the chicken cross the Möbius strip?

David Benbennick / en.wikipedia.org

To get to the other–er…

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14. Let epsilon be less than zero.

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16. How many mathematicians does it take to screw in a lightbulb?



ID: 3269500

18. I was dating this topologist once, but we got into an argument over a coffee mug…

4774344sean / Via reddit.com

It torus apart.

ID: 3276371

19. Why aren’t jokes in base 8 funny?


Because 7 10 11.

ID: 3276450

20. What’s the difference between an introverted and extroverted mathematician?


The extrovert looks at your shoes when she talks to you.

ID: 3276633

21. What is non-orientable and lives in the ocean?

Kerstin Meyer

Möbius Dick.

ID: 3276654


This post has been updated to meet attribution standards.

ID: 3532993

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Kelly Oakes is science editor for BuzzFeed and is based in London.
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