9766
EXPLORE
LATEST
ABOUT
AUTHORING AREA
PARTICIPATE
Your browser does not support JavaScript or it may be disabled!
Factorial
The factorial of 4, which is written as
, is
. Similarly,
. The number
grows very quickly as
increases. The double factorial of a number
, which is written as
, is an extension to the normal factorial. When
is odd,
. When
is even,
.
Contributed by:
Ed Pegg Jr
Additional Contributions by:
Rob Morris
THINGS TO TRY
Slider Zoom
SNAPSHOTS
RELATED LINKS
Factorial
(
Wolfram
MathWorld
)
Double Factorial
(
Wolfram
MathWorld
)
PERMANENT CITATION
"
Factorial
" from
the Wolfram Demonstrations Project
http://demonstrations.wolfram.com/Factorial/
Contributed by:
Ed Pegg Jr
Additional Contributions by:
Rob Morris
Share:
Embed Interactive Demonstration
New!
Just copy and paste this snippet of JavaScript code into your website or blog to put the live Demonstration on your site.
More details »
Download Demonstration as CDF »
Download Author Code »
(preview »)
Files require
Wolfram
CDF Player
or
Mathematica
.
Related Demonstrations
More by Author
Copeland-Erdos and Champernowne Numbers for Small Bases
Michael Schreiber
Linear Congruential Sequences
Stephen Wolfram
Factorial Digits
Oleksandr Pavlyk
Typeset Sierpinski Sieve
Robert Dickau
Bitwise Operations Mod n
Enrique Zeleny
Representing an Integer with an Elementary Automaton
Michael Schreiber
Integer Value Spatial Distance
Michael Schreiber
Sum of Odd Numbers
Michael Schreiber
Mertens Conjecture
Stephen Wolfram
Quadratic Residues
Stephen Wolfram
Related Topics
Number Theory
Short Programs
High School Mathematics
High School Precalculus
Browse all topics
Related Curriculum Standards
US Common Core State Standards, Mathematics
HSF-BF.A.1
HSF-IF.A.3
Note: To run this Demonstration you need Mathematica 7+ or the free Mathematica Player 7EX
Download or upgrade to
Mathematica Player 7EX
I already have
Mathematica Player
or
Mathematica 7+