10,965 Pages

The quadgrand faxul is equal to ((...((200!)!)!...)!)![1] (with trigrand faxul ()'s) or 200(!200(!200(!200(!200!+1)+1)+1)+1) using Nested Factorial Notation. The term was coined by Lawrence Hollom.

## Etymology

The name of this number is based on Latin prefix "quad-" and the number "grand kilofaxul".

## Approximations in other notations

Notation Approximation
Hyper-E Notation $$E10\#(E375)\#4$$
Up-arrow notation $$10 \uparrow\uparrow (10 \uparrow\uparrow (10 \uparrow\uparrow (10 \uparrow\uparrow (10 \uparrow 375))))$$
Chained arrow notation $$10 \rightarrow (10 \rightarrow (10 \rightarrow (10 \rightarrow (10 \rightarrow (10 \rightarrow 375) \rightarrow 2) \rightarrow 2) \rightarrow 2) \rightarrow 2) \rightarrow 2$$
BEAF $$\{10,\{10,\{10,\{10,\{10,375\},2\},2\},2\},2\}$$
Fast-growing hierarchy $$f_3(f_3(f_3(f_3(f_2(1\,235)))))$$
Hardy hierarchy $$H_{(\omega^3) 4+\omega^2}(200)$$
Slow-growing hierarchy $$g_{\epsilon_{\epsilon_{\epsilon_{\epsilon_{\omega^\omega}}}}}(200)$$