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"Goosolplex" redirects here. It is not to be confused with gossolplex.
For Andre Joyce's definition of googolplux, see Googolplux (Joyce).

The maximusmillion (also called a millionplex[1] or milliplexion[2] or googolplux) is equal to 10106 or 1 followed by 1,000,000 zeroes.[3] It is the boundary between class 2 and class 3 numbers in Robert Munafo's idea[4] (see class for more). It is also called "ten trestrigintatrecenmilliduotrigintatrecentillion" in the short scale. It is 1,000,001 digits long.

Writing down the full decimal expansion would take a 400-page-book, with 2,500 digits on each page (except for the first, which would have 2,501).

Aarex Tiaokhiao calls this number goob-hol.[5]

Username5243 calls this number goosolplex, and it's equal to 10[1]10[1]6 in Username5243's Array Notation.[6]

Maximusmillion is also known as "ten trecentretriginmilliatrecenduotrigintillion" according to Landon Curt Noll's The English name of a number.

The name "maximusmillion" is pronounced like this.

## Etymology

The name "millionplex" came from million plus the -plex suffix meaning 10n.

The name "maximusmillion" clearly means 10 to the millionth power, as shown in other numbers starting with maximus-.

The name "googolplux" does not have a clear etymology.

## Approximations in other notations

Notation Lower bound Upper bound
Scientific notation $$1\times10^{1\,000\,000}$$
Arrow notation $$10\uparrow10\uparrow6$$
Steinhaus-Moser Notation 6[3][3] 7[3][3]
Copy notation 9[9[6]] 1[1[7]]
Taro's multivariable Ackermann function A(3,A(3,18)) A(3,A(3,19))
Pound-Star Notation #*((39635))*423 #*((39636))*423
BEAF {10,{10,6}}
Hyper-E notation EE6
Bashicu matrix system (0)(1)[4] (0)(1)[5]
Hyperfactorial array notation (8!)! (9!)!
Fast-growing hierarchy $$f_2(f_2(17))$$ $$f_2(f_2(18))$$
Hardy hierarchy $$H_{\omega^22}(17)$$ $$H_{\omega^22}(18)$$
Slow-growing hierarchy $$g_{\omega^{\omega^6}}(10)$$

## 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)