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A guppybit (also called binary-minnowcrumb) is equal to 220 = 1,048,576.[1] The term was coined by Sbiis Saibian.

Username5243 calls this number Binary-Goovol or Hexadecimal-Gooqnol, and it's equal to 2[1]20 = 16[1]5 in Username5243's Array Notation.[2]

Aarex Tiaokhiao calls this number hexadecimal-qoonol.[3]

## Approximations

Notation Lower bound Upper bound
Scientific notation $$1.048576\times10^6$$
Arrow notation $$4\uparrow10$$
Steinhaus-Moser Notation 7[3] 8[3]
Copy notation 9[6] 1[7]
Taro's multivariable Ackermann function A(3,17) A(3,18)
Pound-Star Notation #*(2)*16
BEAF {4,10}
Bashicu matrix system (0)[1024]
Hyperfactorial array notation 9! 10!
Fast-growing hierarchy $$f_2(16)$$
Hardy hierarchy $$H_{\omega^2}(16)$$
Slow-growing hierarchy $$g_{\omega^{\omega2+2}}(4)$$

## 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)