7625597484987

7,625,597,484,987 is a positive integer equal to \(3^{27} = 3^{3^3} = 3 \uparrow\uparrow 3 = 3 \uparrow\uparrow\uparrow 2\). It is the largest power tower of 3's expressible in compact digital form (\(^43 = 3^{3^{3^3}}\) has 3 trillion digits). It appears frequently when inputting threes into functions based on the hyper operators. Tritri, for example, is a 7,625,597,484,987-sized power tower of threes.
In the short scale number-naming system, it is seven trillion, six hundred twenty-five billion, five hundred ninety-seven million, four hundred eighty-four thousand, nine hundred eighty-seven.
In the long scale, it is seven billion, six hundred twenty-five milliard, five hundred ninety-seven million, four hundred eighty-four thousand, nine hundred eighty-seven.
Using Alistair Cockburn's megafuga- prefix, 7,625,597,484,987 can be named "megafugathree".3.2.2 - The Fz, The Fuga & The Megafuga
Wiki user Hyp cos calls this number a tribo, and it's equal to s(3,3,2), s(3,2,3), s(3,2,1,2), and s(3,2{2}2) in his strong array notation.Numbers from linear array notation | Steps Toward Infinity!
It is also called Heads-Bi-3-primol by Licorneuhh. It is equal to R***(2) using Primarial Functions.Numbers | Licorneuhh's numbers site (retrieved at UTC 09:53 13/02/2021) 
It was the 729-trit(ternary digit)integer limit.
== In other notations ==
There are many notations where 7,625,597,484,987 can be expressed :
Notation 	Lower bound 	Upper bound
Scientific notation 	\(7.625597484987\times10^{12}\) 	\(7.625597484987\times10^{12}\)
Arrow notation 	\(3\uparrow\uparrow3\) 	\(3\uparrow\uparrow3\)
Steinhaus-Moser Notation 	11[3] 	12[3]
Copy notation 	6[13] 	7[13]
Taro's multivariable Ackermann function	A(3,39) 	A(3,40)
Pound-Star Notation 	#*(4,4,4)*4 	#*(5,4,4)*4
BEAF/BAN 	{3,3,2} 	{3,3,2}
Hyper-E notation 	E[3]1#3 	E[3]1#3
Bashicu matrix system 	(0)(0)[1661] 	(0)(0)[1662]
Hyperfactorial array notation 	3![1] 	3![1]
Fast-growing hierarchy 	\(f_2(37)\) 	\(f_2(38)\)
Hardy hierarchy 	\(H_{\omega^2}(37)\) 	\(H_{\omega^2}(38)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^\omega}}(3)\)	\(g_{\omega^{\omega^\omega}}(3)\)
== Sources ==
== See also ==
*65,536
*2,147,483,647
zh:7625597484987
Category:Numbers
Category:3 entry linear
Category:Class 2
Category:Numbers with 7 to 29 digits
Category:Powers of 3
Category:Tetration
Category:Megafuga-
Category:Toogol Regiment
Category:Unnamed numbers
Category:Unnamed numbers with 7 to 29 digits
Category:Unnamed numbers with googological uses
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