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Not to be confused with godgahlah.

Googahlah is equal to E100#^#(googol) = E100#^(googol)100 in Hyper-E notation.[1] While the godgahlah has one hundred hyperions in its hyper-E representation, the googahlah has a googol of them, making the googahlah equal to E100########...########100 with a googol hyperions in total. It's because this is a mix of googol and Godgahlah.

## Approximations in other notations

Notation Approximation
BEAF $$\{100,\{10,100\} (1) 2\}$$
Notation Array Notation $$(100\{5,10^{100}\}2)$$
Bird's array notation $$\{100,\{10,100\} [2] 2\}$$
Hyperfactorial array notation $$100![[1,10^{100}],98,98]$$
X-Sequence Hyper-Exponential Notation $$100\{X^X\}10^{100}$$
Fast-growing hierarchy $$f_{\omega^{10^{100}}}(100)$$
$$\approx f_{\omega^{\omega}}(f_2(324))$$
Hardy hierarchy $$H_{\omega^{\omega^{10^{100}}}}(100)$$
Slow-growing hierarchy $$g_{\vartheta(\Omega^{10^{100}} \omega)}(100)$$

## Sources

1. Saibian, Sbiis. Cascading-E Numbers. Retrieved 2017-06-26.