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The dust mite is equal to 5E4 using Hyper-E notation.[1] The name was coined by Sbiis Saibian. It is equal to 50,000.

In English, it is called fifty thousand.

## Currency-related use

Some currencies, such as the Indonesian rupiah and the South Korean won, have banknotes with this number in the denomination.

It was also the prize for correctly answering the first four questions in the Japanese game show Quiz \$ Millionaire in Japanese yen.

## Approximations

Notation Lower bound Upper bound
Scientific notation $$5\times10^4$$
Arrow notation $$6\uparrow\uparrow2$$ $$15\uparrow4$$
Steinhaus-Moser Notation 6[3] 7[3]
Copy notation 4[5] 5[5]
Taro's multivariable Ackermann function A(3,12) A(3,13)
Pound-Star Notation #*(2)*12 #*(3)*8
BEAF {6,2,2} {15,4}
Bashicu matrix system (0)[223] (0)[224]
Hyperfactorial array notation 8! 4!1
Fast-growing hierarchy $$f_2(12)$$ $$f_2(13)$$
Hardy hierarchy $$H_{\omega^2}(12)$$ $$H_{\omega^2}(13)$$
Slow-growing hierarchy $$g_{\omega^4\times5}(10)$$

## Sources

-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)