User blog comment:King2218/Count to "infinity"!/@comment-3427444-20140927010624/@comment-5307762-20141006132336

n ! ≈ 2 π n  <span style="vertical-align:0px;transition:none;-webkit-transition:none;display:inline-block;position:relative;width:1.68em;height:0px;"><span style="vertical-align:0px;transition:none;-webkit-transition:none;position:absolute;font-family:MathJax_Main;top:-4.002em;left:-0.106em;">− <span style="vertical-align:0px;transition:none;-webkit-transition:none;position:absolute;font-family:MathJax_Main;top:-4.002em;left:1.031em;">− <span style="vertical-align:0px;transition:none;-webkit-transition:none;position:absolute;font-family:MathJax_Main;top:-4.002em;left:0.436em;">−   <span style="vertical-align:0px;transition:none;-webkit-transition:none;position:absolute;clip:rect(3.033em1000.003em4.386em-0.43em);top:-4.056em;left:0.003em;"><span style="vertical-align:0px;transition:none;-webkit-transition:none;position:static;font-family:MathJax_Main;">√    <span class="mo" id="MathJax-Span-293" style="vertical-align:0px;transition:none;-webkit-transition:none;display:inline;position:static;font-family:MathJax_Main;">( <span class="mfrac" id="MathJax-Span-294" style="vertical-align:0px;transition:none;-webkit-transition:none;display:inline;position:static;"><span style="margin-right:0.111em;margin-left:0.111em;vertical-align:0px;transition:none;-webkit-transition:none;display:inline-block;position:relative;width:0.544em;height:0px;"><span style="margin-left:-0.214em;vertical-align:0px;transition:none;-webkit-transition:none;position:absolute;clip:rect(1.68em1000.003em2.33em-0.484em);top:-2.595em;left:5.015625px;"><span class="mi" id="MathJax-Span-295" style="vertical-align:0px;transition:none;-webkit-transition:none;display:inline;position:static;font-size:13px;font-family:MathJax_Math-italic;">n  <span style="margin-left:-0.16em;vertical-align:0px;transition:none;-webkit-transition:none;position:absolute;clip:rect(1.68em1000.003em2.33em-0.43em);top:-1.837em;left:5.015625px;"><span class="mi" id="MathJax-Span-296" style="vertical-align:0px;transition:none;-webkit-transition:none;display:inline;position:static;font-size:13px;font-family:MathJax_Math-italic;">e    <span class="msubsup" id="MathJax-Span-297" style="vertical-align:0px;transition:none;-webkit-transition:none;display:inline;position:static;"><span style="vertical-align:0px;transition:none;-webkit-transition:none;display:inline-block;position:relative;width:0.869em;height:0px;"><span style="vertical-align:0px;transition:none;-webkit-transition:none;position:absolute;clip:rect(1.247em1000.003em2.6em-0.43em);top:-2.162em;left:0.003em;"><span class="mo" id="MathJax-Span-298" style="vertical-align:0px;transition:none;-webkit-transition:none;display:inline;position:static;font-family:MathJax_Main;">)  <span style="vertical-align:0px;transition:none;-webkit-transition:none;position:absolute;top:-2.649em;left:0.381em;"><span class="mi" id="MathJax-Span-299" style="vertical-align:0px;transition:none;-webkit-transition:none;display:inline;position:static;font-size:13px;font-family:MathJax_Math-italic;">n         ,Stirling's approximation