Gogolspeck

Gogolspeck is equal to 1040 = E40. The name was coined by Sbiis Saibian.
Aarex Tiaokhiao calls this number footol or 40-noogol.Part 1 (LAN) - Aarex Googology
Username5243 calls this number gooqrol, and it's equal to 10[1]40 in Username5243's Array Notation.Part 1 - My Large Numbers
CompactStar gave the name decyriad for this number as part of the -yriad system, referring to it being myriad10.-yriad numbers. Retrieved Apr 21, 2023 He also gave the name guppol and is equal to r(1020) in Rampant Array Notation.
This number is also called Zheng (正 in Chinese) or Sei (せい in Japanese)大数の名前 in both Japanese counting system and Chinese counting system.
Paul Dirac suggested the large numbers hypothesis pointing out that the ratio of the age of the universe \(H^{-1}\) and the strong time scale \(\tau = \frac{e^2}{m_e c^2} \approx 10^{-23}\) s is a large number approximately of 1040.D. Valev (2019). "Evidence of Dirac large numbers hypothesis". Proceedings of the Romanian Academy. 20 (+4): 361–368.
== Approximations ==
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{40}\) 	\(1\times10^{40}\)
Arrow notation 	\(10\uparrow40\) 	\(10\uparrow40\)
Steinhaus-Moser Notation 	27[3] 	28[3]
Copy notation 	9[40] 	1[41]
Taro's multivariable Ackermann function	A(3,129) 	A(3,130)
Pound-Star Notation 	#*(8,4,7)*11 	#*(1,6,6,4)*8
BEAF 	{10,40} 	{10,40}
Bashicu matrix system 	(0)(0)(0)[100000] 	(0)(0)(0)[100000]
Hyperfactorial array notation 	34! 	35!
Fast-growing hierarchy 	\(f_2(125)\) 	\(f_2(126)\)
Hardy hierarchy 	\(H_{\omega^2}(125)\) 	\(H_{\omega^2}(126)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega4}}(10)\)	\(g_{\omega^{\omega4}}(10)\)
== Sources ==
== See also ==
ja:正
Category:Numbers
Category:Class 2
Category:Numbers by Sbiis Saibian
Category:Numbers with 30 to 100 digits
Category:Googol Regiment
Category:Guppy regiment