Rootin’ Around

April 9, 2013 at 1:10 am 5 comments

The digits of today’s date can be concatenated to make the four-digit number 4913, and 4913 = 173. As it turns out, this is the only date in 2013 for which the concatenation of the digits forms a number that has a square, cube, fourth, fifth, or sixth root that is a whole number.

I’m sure there are more useless pieces of trivia, but I can’t think of one right now.

[Update, 4/9/13: Perhaps the following isn’t more useless, but it’s certainly not more useful, either. I failed to mention the trivial numerology contained within today’s date: 4 + 9 = 13.]

In any case, this fact about the cube root of 4913 got me to thinking about some of my favorite things.

My favorite drink:

Root Beer

My favorite highway:

Root 66

My favorite LeVar Burton movie:


My favorite types of efforts:

Grass Roots

My favorite idiom:

Putting Down Roots

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Ratio Celebration Mathematical Finances

5 Comments Add your own

  • 1. Joseph  |  April 10, 2013 at 10:17 pm

    I must be an idiot. I don’t get that last one.

    • 2. venneblock  |  April 11, 2013 at 1:23 pm

      Not an idiot, Joseph. It’s a tough one. I don’t want to just post the answer, as figuring it out is half the fun; so, here’s a hint:

      • 3. Joseph  |  April 12, 2013 at 3:42 pm

        Gah. Finally got it.

      • 4. venneblock  |  April 12, 2013 at 9:02 pm

        Now be honest, Joseph. Just like a good math problem, doesn’t it feel better to figure it out for yourself?

      • 5. Joseph  |  April 14, 2013 at 1:10 pm


        You win.

        So this is what my math students feel like when I force them to work through a problem on their own, rather than me just telling them the answer. 😀

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About MJ4MF

The Math Jokes 4 Mathy Folks blog is an online extension to the book Math Jokes 4 Mathy Folks. The blog contains jokes submitted by readers, new jokes discovered by the author, details about speaking appearances and workshops, and other random bits of information that might be interesting to the strange folks who like math jokes.

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