Double grandfactor

The Double grandfactor is equal to 100!#^3 = 100!### = 100!##100 in Extensible ! Notation. The term was coined by YabuszkoYabuszko, Extensible ! Notation. It is ill-defined due to several issues on the definition of Extensible ! Notation.
== Sources ==
== See Also ==
Category:Incomplete
Category:Numbers by Yabuszko