For given positive integer n, take factorial of that number. How many trailing zeros does it have?
Example: factorial(11) = 39916800
Its last zero-digit count is 2.
Optional: Can you make an efficient algorithm for a very large n?
Sorted highest to lowest?
Celsius to Kelvin
Dimensions of a rectangle
Sum the 'edge' values of a matrix
Divisible by 2
The last non-zero digit of a factorial
Equal temperament - musical notes and frequency
Smallest n, for n! to have m trailing zero digits
Fractal: area and perimeter of Koch snowflake
Number of paths on a 3d grid
Choose a web site to get translated content where available and see local events and offers. Based on your location, we recommend that you select: .
You can also select a web site from the following list:
Select the China site (in Chinese or English) for best site performance. Other MathWorks country sites are not optimized for visits from your location.
Contact your local office