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A crore is equal to ten million or 10,000,000.[1] It is used in the Indian naming system. One crore is 100 lakh. Larger numbers are sometimes combinations of both, a lakh crore for example equal to one trillion. Ten crore is one myllion in the myriad system. The population of countries is often expressed in crore; for example, India had a population of approximately 125.2 crore in 2013.

Sbiis Saibian gave the name pipsqueak for this number.[2]

Aarex Tiaokhiao calls this number sooptol, 7-noogol[3], or goonaolpentault, and it's equal to a(10,100,0)x[5] in Aarex's Array Notation.[4]

## Currency-related use

Some currencies, such as the German Papiermark, the Hungarian pengő, the first Turkish lira, and the second and third Zimbabwean dollars, had banknotes with this number in the denomination.

It is also the prize for correctly answering the first fifteen questions in the Indian game show Kaun Banega Crorepati in Indian rupees.

Furthermore, it was also the prize for correctly answering all fifteen questions in the Japanese game show Quiz \$ Millionaire in Japanese yen.

## Approximations

Notation Lower bound Upper bound
Scientific notation $$1\times10^7$$
Arrow notation $$10\uparrow7$$
Steinhaus-Moser Notation 7[3] 8[3]
Copy notation 9[7] 10[4]
Taro's multivariable Ackermann function A(3,20) A(3,21)
Pound-Star Notation #*(2)*19 #*(40)*4
BEAF {10,7}
Bashicu matrix system (0)[3162] (0)[3163]
Hyperfactorial array notation 10! 11!
Fast-growing hierarchy $$f_2(19)$$ $$f_2(20)$$
Hardy hierarchy $$H_{\omega^2}(19)$$ $$H_{\omega^2}(20)$$
Slow-growing hierarchy $$g_{\omega^7}(10)$$

## Sources

1. crore definition
2. Saibian, Sbiis. Hyper-E Notation. Retrieved 2014-10-13.
3. Part 1 (LAN) - Aarex Googology
4. AAN Numbers - P1 - Aarex Googology
5. Part 1 - My Large Numbers

Googology in Asia
-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)