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Duodecimal-giggol is equal to s(12,100,2) using strong array notation, or $$12\uparrow\uparrow100$$.[1] The term was coined by Aarex Tiaokhiao. The number is formed by using Duodecimal (meaning 12) and giggol (10^^100).

Username5243 calls this number Duodecimal-Doogol, and it's equal to 12[2]100 in Username5243's Array Notation.[2]

This number is approximately E13#99 in Hyper-E notation, or exactly E[12]1#100

## Approximations

Notation Lower bound Upper bound
Arrow notation $$12 \uparrow\uparrow 100$$
Steinhaus-Moser Notation 99[4] 100[4]
Chained arrow notation $$12 \rightarrow 100 \rightarrow 2$$
BEAF {12,100,2}
Hyper-E notation E[12]1#100
Hyperfactorial array notation $$100!1$$ $$101!1$$
Bird's array notation {12,100,2}
Nested Factorial Notation $$100![2]$$ $$101![2]$$
Fast-growing hierarchy $$f_3(99)$$ $$f_3(100)$$
Hardy hierarchy $$H_{\omega^3}(99)$$ $$H_{\omega^3}(100)$$
Slow-growing hierarchy $$g_{\varepsilon_0}(99)$$ $$g_{\varepsilon_0}(100)$$

## Sources

Aarex's strong array notation googolisms
3-entry series
Linear array series
Golsol group: Golsol · Binary-golsol
Goolsol group: Goolsol ·
Gurea group: gurea · goourea · gigurea · guriga · guraga · durea · goodurea · guredurea · gurigedurea · duriga