The zettorial is a function invented by Aarex Tiaokhiao.[1] It's a type of nested factorial notation.

The function is denoted and defined as n(!5) = ((((n!)!)!)!)!.

Approximations in other notations Edit

Notation Approximation
Up-arrow notation \(n \uparrow \uparrow 6 \)
BEAF \(\{n,6,2\}\)

Sources Edit

  1. Nested Factorial Notation - Aarex's Large Numbers

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