| Tetorial | |
|---|---|
| Author | AarexGoogology |
| Year | 2016? |
The tetorial is a function invented by Aarex Tiaokhiao.[1]
It's a type of nested factorial notation. The function is denoted and defined as n!! = (n!)!.
Table of values[]
| n | (n!)! |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 720 |
| 4 | 6.2045*1023 |
| 5 | 6.6895*10198 |
| 6 | 2.6012*101746 |
| 7 | 4.5293*1016473 |
Sources[]
- ↑ Nested Factorial Notation - Aarex's Large Numbers (archived 2016-04-11)
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