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The little squeaker is equal to 5E10 = 50,000,000,000.[1] It is equal to 50 billion in the short scale and 50 milliard in the long scale. The name was coined by Sbiis Saibian.

## As a banknote denomination

Some currencies, such as the German Papiermark, the 1993 Yugoslav dinar, and the second and third Zimbabwean dollars, had banknotes with this number in the denomination.

## Approximation

Notation Lower bound Upper bound
Scientific notation $$5\times10^{10}$$
Arrow notation $$60\uparrow6$$ $$61\uparrow6$$
Steinhaus-Moser Notation 10[3] 11[3]
Copy notation 4[11] 5[11]
Taro's multivariable Ackermann function A(3,32) A(3,33)
Pound-Star Notation #*(0,4,7)*3
BEAF {60,6} {61,6}
Hyper-E notation $$\textrm E10$$ $$\textrm E11$$
Hyper-E notation (non-10 base) $$\textrm E[60]6$$ $$\textrm E[61]6$$
Bashicu matrix system (0)(0)[472] (0)(0)[473]
Hyperfactorial array notation 13! 14!
Fast-growing hierarchy $$f_2(30)$$ $$f_2(31)$$
Hardy hierarchy $$H_{\omega^2}(30)$$ $$H_{\omega^2}(31)$$
Slow-growing hierarchy $$g_{\omega^\omega\times5}(10)$$

## Sources

1. Saibian, Sbiis. Hyper-E Numbers. Retrieved 2015-08-07.

-minutia group
n-ary numbers with multipliers
Eyelash mite group: eyelash mite-speck · eyelash mite-crumb · eyelash mite-chunk · (binary/ternary/octal)eyelash mite · eyelash mite-bunch · eyelash mite-crowd · eyelash mite-swarm
Dust mite group: dust mite-speck · dust mite-crumb · dust mite-chunk · (binary/ternary/octal)dust mite · dust mite-bunch · dust mite-crowd · dust mite-swarm
Cheese mite group: cheese mite-speck · cheese mite-crumb · cheese mite-chunk · (binary/ternary/octal)cheese mite · cheese mite-bunch · cheese mite-crowd · cheese mite-swarm
Clover mite group: clover mite-speck · clover mite-crumb · clover mite-chunk · (binary/ternary/octal)clover mite · clover mite-bunch · clover mite-crowd · clover mite-swarm
Pipsqueak group: (binary/ternary/octal)pipsqueak
Little squeaker group: (binary/ternary/octal)little squeaker
Small fry group: (binary/ternary/octal)small fry
Guppy group: (binary/ternary/octal)guppyspeck · (binary/ternary/octal)guppycrumb · (binary/ternary/octal)guppychunk · (ternary/quaternary/quinary/duodecimal/hexadecimal/vigesimal/sexagesimal)guppy(bit/byte)
Minnow group: (binary/ternary/octal)minnowspeck · (binary/ternary/octal)minnowcrumb · (binary/ternary/octal)minnowchunk · (ternary)minnow(bit/byte)
Goby group: (binary/ternary/octal)gobyspeck · (binary/ternary/octal)gobycrumb · (binary/ternary/octal)gobychunk · (ternary)goby(bit/byte)