The tethrathoth-by-hyperion is equal to E100#^^#*#100 using Extended Cascading-E Notation.[1] The term was coined by Sbiis Saibian.
Approximations in other notations
| Notation | Approximation |
|---|---|
| BEAF | \(\{100,100 (X \uparrow\uparrow X) 100\}\)[2] |
| Bird's array notation | \(\{100,100 [1 \backslash 2] 100\}\) |
| Hyperfactorial array notation | \(100![1,99,1,1,2]\) |
| Fast-growing hierarchy | \(f_{\varepsilon_0 {99}}(100)\) |
| Hardy hierarchy | \(H_{\varepsilon_0^{99}}(101)\) |
| Slow-growing hierarchy | \(g_{\vartheta(\varepsilon_{\Omega2}{98}+\varepsilon_{\Omega+1})}(100)\) |
Sources
- ↑ Saibian, Sbiis. 4.3.7 Extended Cascading-E Numbers Part I. One to Infinity. Retrieved 2017-01-02.
- ↑ Using particular notation \(\{a,b (X \uparrow\uparrow X) c \#\}\) for \(\{X \uparrow\uparrow b\ \&\ a (X \uparrow\uparrow X) c-1 \#\}\)