Extension of factorial concept to negative numbers
A. M. Ibrahim · 2013
This paper present a comparative study of the various types of positive factorial functions, among which include the conventional factorial, double factorial, quadruple fact- orial, superfactorial and hyperfactorial. Subsequently, an extension of the concepts of positive n! to negative numbers -n! is introduced. Based on this extension, a formulation of specific generalization cases for different forms of negative factorials are analyzed and presented.