The tethrispatialcross (formerly tethrasquared-spatialator) is equal to E100#^^##>#^#100 using Extended Cascading-E Notation.[1] The term was coined by Sbiis Saibian.
Etymology[]
The name of this number comes from the infix "-spatial-" and the number tethritercross.
Approximations in other notations[]
| Notation | Approximation |
|---|---|
| BEAF | X^^^(X^X) & 100 |
| Bird's array notation | \(\{100,100[1 \backslash 1 \backslash 1[2]2]2\}\) |
| Fast-growing hierarchy | \(f_{\zeta_{\omega^{\omega} } }(100)\) |
| Hardy hierarchy | \(H_{\zeta_{\omega^{\omega} } }(100)\) |
| Slow-growing hierarchy | ??? |
Sources[]
- ↑ Saibian, Sbiis. 4.3.7 Extended Cascading-E Numbers Part I. One to Infinity. Retrieved 2017-03-07.