perplexus.info :: Just Math : Not too many

Not too many (Posted on 2017-07-24)

How many distinct integer solution of the equation
2ⁿ-2=n!

exist?

List them.

See The Solution Submitted by Ady TZIDON

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Analytical solution (spoiler)

Comment 1 of 1

I see n = 2 and n = 3.

After that, n! increases faster than 2^n.

Actually, I am a tiny bit surprised that there is more than one solution.

Posted by Steve Herman on 2017-07-24 09:55:24

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