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[]
Notation | Approximation |
---|---|
Up-arrow notation | \(n \uparrow \uparrow 6 \) |
BEAF | \(\{n,6,2\}\) |
Sources[]
See also[]
Main article: Factorial
Multifactorials: Double factorial · MultifactorialFalling and rising: Falling factorial · Rising factorial
Other mathematical variants: Alternating factorial · Hyperfactorial · q-factorial · Roman factorial · Subfactorial · Weak factorial · Primorial · Compositorial · Semiprimorial
Tetrational growth: Exponential factorial · Expostfacto function · Superfactorial by Clifford Pickover
Nested Factorials: Tetorial · Petorial · Ectorial · Zettorial · Yottorial
Array-based extensions: Hyperfactorial array notation · Nested factorial notation
Other googological variants: · Tetrofactorial · Superfactorial by Sloane and Plouffe · Torian · Factorexation · Mixed factorial · Bouncing Factorial