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November 5th, 2019, 01:06 AM  #1 
Senior Member Joined: Dec 2015 From: Earth Posts: 823 Thanks: 113 Math Focus: Elementary Math  Equation with factorial
Solve the equation using inverse gammafunction . $\displaystyle n!=6$. 
November 5th, 2019, 01:26 PM  #2 
Math Team Joined: May 2013 From: The Astral plane Posts: 2,340 Thanks: 983 Math Focus: Wibbly wobbly timeywimey stuff.  
November 5th, 2019, 05:02 PM  #3 
Senior Member Joined: Sep 2016 From: USA Posts: 683 Thanks: 456 Math Focus: Dynamical systems, analytic function theory, numerics 
$ n =3$

November 6th, 2019, 02:19 AM  #4 
Senior Member Joined: Dec 2015 From: Earth Posts: 823 Thanks: 113 Math Focus: Elementary Math 
$\displaystyle 1<\sqrt{6 n}(n/e)^n \approx 2e$. $\displaystyle n>e$ or $\displaystyle n\approx 3 $. 
November 6th, 2019, 04:28 AM  #5 
Senior Member Joined: Oct 2009 Posts: 905 Thanks: 354  

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