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The tethrathothaocta is equal to E100#^^#^^#^^#^^#^^#^^#^^#^#100 in Nested Cascading-E Notation.[1] The term was coined by Aarex Tiaokhiao.

Approximations in other notations Edit

Notation Approximation
BEAF $$X \uparrow\uparrow X \uparrow\uparrow X \uparrow\uparrow X \uparrow\uparrow X \uparrow\uparrow X\uparrow\uparrow X \uparrow\uparrow X\ \&\ 10$$
Bird's array notation $$\{100,49 [1 \backslash 1 [1 \backslash 1 [1 \backslash 1 [1 \backslash 1 [1 \backslash 1 [1 \backslash 1 [1 \backslash 2] 2] 2] 2] 2] 2] 2] 2\}$$
Hyperfactorial array notation $$100![1,1,[1,1,[1,1,[1,1,[1,1,[1,1,1,2,2],1,3],1,4],1,5],1,6],1,7]$$
X-Sequence Hyper-Exponential Notation $$100\{X>X>X>X>X>X>(X\uparrow\uparrow X)\}99$$
Fast-growing hierarchy $$f_{\varepsilon_{\varepsilon_{\varepsilon_{\varepsilon_{\varepsilon_{\varepsilon_{\varepsilon_0}}}}}}}(99)$$
Hardy hierarchy $$H_{\varepsilon_{\varepsilon_{\varepsilon_{\varepsilon_{\varepsilon_{\varepsilon_{\varepsilon_0}}}}}}}(100)$$
Slow-growing hierarchy $$g_{\vartheta(\varepsilon_{\varepsilon_{\varepsilon_{\varepsilon_{\varepsilon_{\varepsilon_{\varepsilon_{\Omega+1}}}}}}})}(100)$$

SourcesEdit

1. Aarex's Large Numbers