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The tallakshana is equal to $$10^{53}$$.[1] It is 54 digits long. This number is equal to 100 sexdecillion in the short scale, or 100 octilliard in long scale.

## Decimal expansion

100000000000000000000000000000000000000000000000000000

## Approximations

Notation Lower bound Upper bound
Scientific notation $$1\times10^{53}$$
Arrow notation $$10\uparrow53$$
Steinhaus-Moser Notation 34[3] 35[3]
Copy notation 9[53] 10[27]
Taro's multivariable Ackermann function A(3,173) A(3,174)
Pound-Star Notation #*(6,7,3,3,4,1)*6 #*(7,7,3,3,4,1)*6
BEAF {10,53}
Bird's Array Notation {10,53}
Graham Array Notation [10,53]
Hyper-E notation E53
Bashicu matrix system (0)(0)(0)(0)[2053] (0)(0)(0)(0)[2054]
Hyperfactorial array notation 43! 44!
Fast-growing hierarchy $$f_2(168)$$ $$f_2(169)$$
Hardy hierarchy $$H_{\omega^2}(168)$$ $$H_{\omega^2}(169)$$
Slow-growing hierarchy $$g_{\omega^{\omega5+3}}(10)$$

## 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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