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Gougasha or Kougasha (恒河沙 written in Japanese characters, means 'Sands of the Ganges') is $$10^{52}$$ . The word is in Buddhism's sutra, and it was adopted in Chinese counting system and in Japanese counting system. [1][2]

In English, it is ten sexdecillion in short scale or ten octilliard in long scale.

Approximations

Notation Lower bound Upper bound
Scientific notation $$1\times10^{52}$$
Arrow notation $$10\uparrow52$$
Steinhaus-Moser Notation 33[3] 34[3]
Copy notation 9[52] 1[53]
Taro's multivariable Ackermann function A(3,169) A(3,170)
Pound-Star Notation #*(4,7,4,3,2,1)*6 #*(5,7,4,3,2,1)*6
BEAF {10,52}
Hyper-E notation E52
Bashicu matrix system (0)(0)(0)(0)[1778] (0)(0)(0)(0)[1779]
Hyperfactorial array notation 42! 43!
Fast-growing hierarchy $$f_2(165)$$ $$f_2(166)$$
Hardy hierarchy $$H_{\omega^2}(165)$$ $$H_{\omega^2}(166)$$
Slow-growing hierarchy $$g_{\omega^{\omega5+2}}(10)$$

Sources

Fish numbers: Fish number 1 · Fish number 2 · Fish number 3 · Fish number 4 · Fish number 5 · Fish number 6 · Fish number 7
Mapping functions: S map · SS map · S(n) map · M(n) map · M(m,n) map
By Aeton: Okojo numbers · N-growing hierarchy
By BashicuHyudora: Primitive sequence number · Pair sequence number · Bashicu matrix system
By Kanrokoti: KumaKuma ψ function
By 巨大数大好きbot: Flan numbers
By Jason: Irrational arrow notation · δOCF · δφ · ε function
By mrna: 段階配列表記 · 降下段階配列表記 · 多変数段階配列表記 · SSAN · S-σ
By Nayuta Ito: N primitive
By p進大好きbot: Large Number Garden Number
By Yukito: Hyper primitive sequence system · Y sequence · YY sequence · Y function
Indian counting system: Lakh · Crore · Tallakshana · Uppala · Dvajagravati · Paduma · Mahakathana · Asankhyeya · Dvajagranisamani · Vahanaprajnapti · Inga · Kuruta · Sarvanikshepa · Agrasara · Uttaraparamanurajahpravesa · Avatamsaka Sutra · Nirabhilapya nirabhilapya parivarta
Chinese, Japanese and Korean counting system: Wan · Yi · Zhao · Jing · Gai · Zi · Rang · Gou · Jian · Zheng · Zai · Ji · Gougasha · Asougi · Nayuta · Fukashigi · Muryoutaisuu
Other: Taro's multivariable Ackermann function · TR function · Arai's $$\psi$$ · Sushi Kokuu Hen

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