Decadumel

The decadumelCopy Notation Numbers - Tech's Large Numbers is equal to 10[[10]] in copy notation.
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==How to get this number==
To get a1, just write "10".
To get a2, write "10" a1 times. It will be 10101010101010101010, or decamel.
To get an, write "10" an-1 times.
Then, a10 is the decadumel.
==Approximations==
Notation 	Approximation
Up-arrow notation 	\((10\uparrow)^9 20\)
Hyper-E notation 	\(\textrm{E}20\#9\)
Fast-growing hierarchy	\(f^9_2(63)\)
Hardy hierarchy 	\(H_{\omega^2 \times 9}(63)\)
Slow-growing hierarchy	\(g_{\varepsilon_0}(10)\)
==See also==
*copy notation
*decamel
*centimel
*millimel
==References==
Category:Numbers
Category:Copy notation
Category:Even numbers
Category:Numbers by SpongeTechX
Category:Tetration level
Category:Undulating numbers