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A decicentillion is equal to 10333 in short scale and 10660 in long scale.[1]

In the long scale, 10333 is called quinquinquagintilliard.

## ApproximationsEdit

For short scale:

Notation Lower bound Upper bound
Scientific notation $$1\times10^{333}$$
Arrow notation $$10\uparrow333$$
Steinhaus-Moser Notation 152[3] 153[3]
Copy notation 9[333] 10[167]
Chained arrow notation $$10→333$$
Taro's multivariable Ackermann function A(3,1103) A(3,1104)
Pound-Star Notation #*((8448))*11 #*((8449))*11
BEAF {10,333}
Hyper-E notation E333
Bashicu matrix system (0)(0)(0)(0)(0)(0)(0)[399] (0)(0)(0)(0)(0)(0)(0)[400]
Bird's array notation {10,333}
Hyperfactorial array notation 181! 182!
Strong array notation s(10,333)
Fast-growing hierarchy $$f_2(1\,096)$$ $$f_2(1\,097)$$
Hardy hierarchy $$H_{\omega^2}(1\,096)$$ $$H_{\omega^2}(1\,097)$$
Slow-growing hierarchy $$g_{\omega^{\omega^{2}3+\omega \times 3+3}}(10)$$

For long scale:

Notation Lower bound Upper bound
Scientific notation $$1\times10^{660}$$
Arrow notation $$10\uparrow660$$
Steinhaus-Moser Notation 271[3] 272[3]
Copy notation 9[660] 1[661]
Chained arrow notation $$10\rightarrow660$$
Taro's multivariable Ackermann function A(3,2189) A(3,2190)
Pound-Star Notation #*((8))*16 #*((9))*16
BEAF {10,660}
Hyper-E notation E660
Bashicu matrix system (0)(0)(0)(0)(0)(0)(0)(0)[378] (0)(0)(0)(0)(0)(0)(0)(0)[379]
Bird's array notation {10,660}
Hyperfactorial array notation 318! 319!
Strong array notation s(10,660)
Fast-growing hierarchy $$f_2(2\,181)$$ $$f_2(2\,182)$$
Hardy hierarchy $$H_{\omega^2}(2\,181)$$ $$H_{\omega^2}(2\,182)$$
Slow-growing hierarchy $$g_{\omega^{\omega^{2}6+\omega\times 6}}(10)$$

## Sources Edit

1. http://users.skynet.be/nizgorur/very_big_numbers.htm