Not to be confused with gargantuul-ex-grand tethrathoth.

The gargantethrathoth (also called gargantuul-carta-tethrathoth[1]) is equal to E100#^^#100#100#100#100#100#100#100#100#100 = E100#^^#100##9 in Extended Cascading-E Notation.[2] The term was coined by Sbiis Saibian.

Etymology Edit

The name of this number is based on the numbers "gargantuul" and "tethrathoth".

Approximations in other notations Edit

Notation Approximation
BEAF \(\{100,100,9 (X \uparrow\uparrow X) 2\}\)[3]
Bird's array notation \(\{100,100,9 [1 \backslash 2] 2\}\)
Hyperfactorial array notation \(100![9,1,1,1,2]\)
Fast-growing hierarchy \(f_{\varepsilon_0+8}(100)\)
Hardy hierarchy \(H_{\varepsilon_0 \omega^8}(100)\)
Slow-growing hierarchy \(g_{\vartheta(\varepsilon_{\Omega2}+7)}(100)\)

Sources Edit

  1. 4.3.7 Extended Cascading-E Numbers Part I by Sbiis Saibian
  2. 4.3.5 Cascading-E Numbers by Sbiis Saibian
  3. Using particular notation \(\{a,b (X \uparrow\uparrow X) 2\}\) for \(X \uparrow\uparrow b\ \&\ a\)

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