The god-icosathol is equal to E100#^^#21 using Cascading-E Notation.[1] The term was coined by Sbiis Saibian.
Etymology
The name of this number is based on the prefix "god-" (meaning one hyperion at the top cascade level) and the suffix "-icosathol" (meaning cascade level 20).
Approximations in other notations
| Notation | Approximation |
|---|---|
| BEAF | \(X \uparrow\uparrow 20 \& 100\) |
| Fast-growing hierarchy | \(f_{\omega\uparrow\uparrow20}(100)\) |
| Hardy hierarchy | \(H_{\omega \uparrow \uparrow 21}(100)\) |
| Slow-growing hierarchy | \(g_{\vartheta(\Omega \uparrow \uparrow 20)}(100)\) |
Sources
- ↑ Saibian, Sbiis. 4.3.5 Cascading-E Numbers. One to Infinity.