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A duosexagintillion is equal to 10189 in America, or 10372 in France and Germany.[1]

In the long scale which is commonly used in France and Germany, 10189 is called untrigintilliard.

## Approximations

For short scale:

Notation Lower bound Upper bound
Scientific notation $$1\times10^{189}$$
Arrow notation $$10\uparrow189$$
Steinhaus-Moser Notation 95[3] 96[3]
Copy notation 9[189] 10[95]
Taro's multivariable Ackermann function A(3,624) A(3,625)
Pound-Star Notation #*((190))*9 #*((191))*9
BEAF {10,189}
Hyper-E notation E189
Bashicu matrix system (0)(0)(0)(0)(0)(0)[897] (0)(0)(0)(0)(0)(0)[898]
Hyperfactorial array notation 115! 116!
Fast-growing hierarchy $$f_2(618)$$ $$f_2(619)$$
Hardy hierarchy $$H_{\omega^2}(618)$$ $$H_{\omega^2}(619)$$
Slow-growing hierarchy $$g_{\omega^{\omega^2+\omega8+9}}(10)$$

For long scale:

Notation Lower bound Upper bound
Scientific notation $$1\times10^{372}$$
Arrow notation $$10\uparrow372$$
Steinhaus-Moser Notation 167[3] 168[3]
Copy notation 9[372] 1[373]
Taro's multivariable Ackermann function A(3,1232) A(3,1233)
Pound-Star Notation #*((424))*12 #*((425))*12
BEAF {10,372}
Hyper-E notation E372
Bashicu matrix system (0)(0)(0)(0)(0)(0)(0)[805] (0)(0)(0)(0)(0)(0)(0)[806]
Hyperfactorial array notation 198! 199!
Fast-growing hierarchy $$f_2(1225)$$ $$f_2(1226)$$
Hardy hierarchy $$H_{\omega^2}(1225)$$ $$H_{\omega^2}(1226)$$
Slow-growing hierarchy $$g_{\omega^{\omega^23+\omega7+2}}(10)$$

## List of prefixed numbers derived from sexagintillion

Name Short scale Long scale
unsexagintillion 10186 10366
duosexagintillion 10189 10372
tresexagintillion 10192 10378
quattuorsexagintillion 10195 10384
quinsexagintillion 10198 10390
sexsexagintillion 10201 10396
septensexagintillion 10204 10402
octosexagintillion 10207 10408
novemsexagintillion 10210 10414