# Lcillion

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A Lcillion [pronounced ell-sill-yun] is equal to $$10^{50}$$. The name is based on L, the Roman numeral for 50. Although the name ends in "-illion", this number is not a conventional -illion number, as it is not a power of 1000.[1]

Sbiis Saibian calls this number gogol.[2] It is equal to 100 quindecillion in the short scale and 100 octillion in the long scale. It is the square root of a googol.

Aarex Tiaokhiao calls this number hoofol or 50-noogol.[3]

Username5243 calls this number goohfol, and it's equal to 10[1]50 in Username5243's Array Notation.[4]

## Approximations in other notations Edit

Notation Approximation
Up-arrow notation $$10 \uparrow 50$$ (exact)
Chained arrow notation $$10 \rightarrow 50$$ (exact)
Hyper-E notation $$E50$$ (exact)
Hyperfactorial array notation $$41!$$
BEAF $$\{10,50\}$$ (exact)
Fast-growing hierarchy $$f_2(159)$$
Hardy hierarchy $$H_{\omega^2}(159)$$
Slow-growing hierarchy $$g_{\omega^{\omega5}}(10)$$ (exact)