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Manuals/calci/ISPERFECTNUMBER (view source)
Revision as of 20:19, 7 March 2019
, 20:19, 7 March 2019→Examples
<div style="font-size:30px">'''ISPERFECTNUMBER (n)'''</div><br/>
*<math>n</math> is any number.
==Description==
==Description==
*This function is one of the group in ISFUNCTIONS.
*This function is one of the group in ISFUNCTIONS.
*The result is TRUE when the n value is a perfect number otherwise the result is FALSE.
*The result is TRUE when the n value is a perfect number otherwise the result is FALSE.
*The argument can be blank, or it can contain data such as text, numbers, error values, logical values or any equations.
*The argument can be blank, or it can contain data such as text, numbers, error values, logical values or any equations.
==Examples==
#=ISPERFECTNUMBER (496) = true
#=ISPERFECTNUMBER (5) = false
#=ISPERFECTNUMBER (0) = false
#=ISPERFECTNUMBER (-6) = false
#=ISPERFECTNUMBER (6) = true
#=ISPERFECTNUMBER (500) = false
==Related Videos==
{{#ev:youtube|v=GiwYGUDcn9A|280|center|Perfect Numbers}}
==See Also==
*[[Manuals/calci/ISBOOLEAN | ISBOOLEAN]]
*[[Manuals/calci/ISFUNCTION | ISFUNCTION ]]
==References==
[http://en.wikipedia.org/wiki/Is_functions Is Function]
*[[Z_API_Functions | List of Main Z Functions]]
*[[ Z3 | Z3 home ]]