11,584
pages

A novemquinquagintallion or novenquinquagintallion is equal to 10180 in America, or 10354 in France and Germany by Conway-Wechsler system.[1][2][3][4][5] Novenquinquagintallion is an original name by Conway and novemquinquagintallion is a simplified name or Jonathan Bowers system.[6]

In the long scale which is commonly used in France and Germany, 10180 is called trigintillion.

Wikia user NumLynx gave the name sexagintisand for this number's short scale value.[7]

## Decimal expansion

In short scale:

1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

In long scale:

1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

## Approximations

For short scale:

Notation Lower bound Upper bound
Scientific notation $$1\times10^{180}$$
Arrow notation $$10\uparrow180$$
Steinhaus-Moser Notation 91[3] 92[3]
Copy notation 9[180] 1[181]
Taro's multivariable Ackermann function A(3,594) A(3,595)
Pound-Star Notation #*((56))*9 #*((57))*9
BEAF {10,180}
Hyper-E notation E180
Bashicu matrix system (0)(0)(0)(0)(0)(0)[649] (0)(0)(0)(0)(0)(0)[650]
Hyperfactorial array notation 110! 111!
Fast-growing hierarchy $$f_2(588)$$ $$f_2(589)$$
Hardy hierarchy $$H_{\omega^2}(588)$$ $$H_{\omega^2}(589)$$
Slow-growing hierarchy $$g_{\omega^{\omega^2+\omega8}}(10)$$

For long scale:

Notation Lower bound Upper bound
Scientific notation $$1\times10^{354}$$
Arrow notation $$10\uparrow354$$
Steinhaus-Moser Notation 160[3] 161[3]
Copy notation 9[354] 1[355]
Taro's multivariable Ackermann function A(3,1172) A(3,1173)
Pound-Star Notation #*((69))*12 #*((70))*12
BEAF {10,354}
Hyper-E notation E354
Bashicu matrix system (0)(0)(0)(0)(0)(0)(0)[582] (0)(0)(0)(0)(0)(0)(0)[583]
Hyperfactorial array notation 190! 191!
Fast-growing hierarchy $$f_2(1\,165)$$ $$f_2(1\,166)$$
Hardy hierarchy $$H_{\omega^2}(1\,165)$$ $$H_{\omega^2}(1\,166)$$
Slow-growing hierarchy $$g_{\omega^{\omega^23+\omega5+4}}(10)$$

## List of prefixed numbers derived from quinquagintillion

Name Short scale Long scale
unquinquagintillion 10156 10306
duoquinquagintillion 10159 10312
trequinquagintillion 10162 10318
quattuorquinquagintillion 10165 10324
quinquinquagintillion 10168 10330
sexquinquagintillion 10171 10336
septenquinquagintillion 10174 10342
octoquinquagintillion 10177 10348
novemquinquagintillion 10180 10354

## Sources

1. Conway and Guy. (1995) "The book of Numbers" Copernicus
2. Steve Olsen, Big-Ass Numbers
3. The Conway-Wechsler System
4. Extensions to the -illions I: Henkle, Conway, and Rowlett
5. Fish. Conway's zillion numbers, July 25, 2021
6. Saibian, Sbiis. 2.4.8 Bowers' -illions - Large Numbers. Retrieved 2021-08-01.
7. NumLynx's Large Numbers