Vsauce

Just Move The 4 #shorts

The best way to divide a certain class of numbers is to use absolutely no math at all. WHAT?!

It’s true — you can get the job done simply by transposing the first digit to the end of the number. 410,256 is a small, accessible number to try it. Just slide the 4 from the first digit to the last digit and you’re all set… and it works with some much larger numbers, too.

In terms of mathematical value, these quirky numbers probably don’t lay the foundation for a groundbreaking Fields Medal-worthy discovery. But this is what recreational mathematics is all about: pushing and pulling on numbers to recognize patterns and curiosities that facilitate your ability to handle heavier-duty work, sort of like how poetry plays with words to express thoughts that *could* be written much more simply. It’s beautiful. And it’s just plain interesting.

#vsauce #education #maths

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