Just how huge are things from Thumbelina's perspective? The answer may be well beyond the powers of Google.

	\(= 2 \uparrow^{10^{100}} 2\)
	\(=\)Number of particles in the known Universe
	\(=43^{45^{47^{49^{41^{3}}}}}\)
	(eg)\(=\)
	\(=3 \rightarrow 2 \rightarrow 3 \rightarrow 3\)
	\(=3^{2^{2^{4^{35^{15}}}}}\)
	\(=\)Graham's number
	\(=3^{4^{5^{6^{...^{(10^{100})}}}}}\)
	\(=2 \rightarrow 3 \rightarrow 3 \rightarrow 3\)
	(eg)\(=\)Largest named number in the Avataṃsaka Sūtra
	\(=(((10^{100}!)!)!)!\)
	(eg)\(=13^{315760124882724518}\)
	\(=20^{270354175698445357}\)
	\(=A(4,5)\)
	\(=2 \rightarrow 10^{100} \rightarrow 2\)
	\(=A(10^{100},10^{100})\)
	\(=2 \uparrow\uparrow 8\)
	\(=BB(100)\)
	\(=\)Number of permutations of these numbers
	\(=\)Loader's number
	(eg)\(=\)Largest named number in The Sand Reckoner
	\(=A(5,1)\)
	\(=68^{75^{96^{92^{39^{3}}}}}\)
	\(=2^{38^{64^{20^{57^{13}}}}}\)
	\(=(10^{100})^{...^{6^{5^{4^{3}}}}}\)
	(eg)\(=A(BB(99),BB(99))\)
	\(=\)BIG FOOT + 1
	(eg)\(=\)Moser's number
	\(=3 \uparrow^{10^{100}} 3\)

Lexicographic rank of this permutation:
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