## FANDOM

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The gggoogol is equal to 10000$$\cdot$$googol using hypermathematics.[1] In normal mathematics, it is exactly $$\sum^{9,999}_{i=0}10^{100+101i}=10^{100}\left(\frac{10^{1,010,000}-1}{10^{101}-1}\right)$$. It is therefore somewhat bigger than $$10^{1,009,999}$$ using normal mathematics.

## Approximations

Notation Lower bound Upper bound
Scientific notation $$1\times10^{1\,009\,999}$$ $$1.001\times10^{1\,009\,999}$$
Arrow notation $$10\uparrow1\,009\,999$$ $$2\,153\uparrow303\,026$$
Steinhaus-Moser Notation 6[3][3] 7[3][3]
Copy notation 9[9[6]] 1[1[7]]
Taro's multivariable Ackermann function A(3,A(3,18)) A(3,A(3,19))
Pound-Star Notation #*((22031))*425 #*((22032))*425
BEAF {10,1009999} {2153,303026}
Hyper-E notation E1,009,999 2E1,009,999
Bashicu matrix system (0)(1)[18] (0)(1)[19]
Hyperfactorial array notation (8!)! (9!)!
Fast-growing hierarchy $$f_2(f_2(17))$$ $$f_2(f_2(18))$$
Hardy hierarchy $$H_{\omega^22}(17)$$ $$H_{\omega^22}(18)$$
Slow-growing hierarchy $$g_{\omega^{\omega^6+\omega^39+\omega^29+\omega9+9}}(10)$$ $$g_{\omega^{\omega^238+\omega59+54}27}(113)$$

## Pronunciation

It is likely pronounced as so:

## Sources

1. A googol is a tiny dot