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A trevigintillion or tresvigintillion is equal to $$10^{72}$$ in the short scale, or $$10^{138}$$ in the long scale. Trevigintillion is a name based on Rowlett's naming system,[1] and tresvigintillion is a name based on Conway and Guy's naming system.[2][3][4]

In the long scale, 1072 is called duodecillion, which is commonly used in France and Germany.

Sbiis Saibian uses the term viginti-tretillion for this number.[5]

Approximations

Notation Lower bound Upper bound
Scientific notation $$1\times10^{72}$$
Arrow notation $$10\uparrow72$$
Steinhaus-Moser Notation 43[3] 44[3]
Copy notation 9[72] 1[73]
Taro's multivariable Ackermann function A(3,236) A(3,237)
Pound-Star Notation #*(11,8,8,7,7,2)*8 #*(0,9,8,7,7,2)*8
BEAF {10,72}
Bashicu matrix system (0)(0)(0)(0)[31622] (0)(0)(0)(0)[31623]
Hyperfactorial array notation 54! 55!
Fast-growing hierarchy $$f_2(231)$$ $$f_2(232)$$
Hardy hierarchy $$H_{\omega^2}(231)$$ $$H_{\omega^2}(232)$$
Slow-growing hierarchy $$g_{\omega^{\omega7+2}}(10)$$

List of prefixed numbers derived from vigintillion

Name Short scale Long scale
unvigintillion 1066 10126
duovigintillion 1069 10132
trevigintillion 1072 10138
quattuorvigintillion 1075 10144
quinvigintillion 1078 10150
sexvigintillion 1081 10156
septenvigintillion 1084 10162
octovigintillion 1087 10168
novemvigintillion 1090 10174

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