The terrible tethrennon is equal to E100(#^^#^(9))^^#100 in Extended Cascading-E Notation.[1] The term was coined by Sbiis Saibian.
Approximations in other notations
| Notation | Approximation |
|---|---|
| Bird's array notation | \(\{100,100 [1 \backslash 2 [2 \neg 2] 2] 2\}\) |
| Fast-growing hierarchy | \(f_{\varepsilon_{\varphi(9,0)+1}}(99)\) |
| Hardy hierarchy | \(H_{\varepsilon_{\varphi(9,0)+1}}(100)\) |
Sources
- ↑ Saibian, Sbiis. 4.3.3 - Forging Extended Cascading-E Numbers Part I. Retrieved May 6, 2014.