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The platillion, 1,999-illion or millianongennovemnonagintillion is equal to $$10^{6,000}$$, $$1,000^{2,000}$$, or 6000-plex.[1] It is equal to 1 millillion in the long scale.

This number can be also called dumillinovemnongentillion in short scale.

Aarex Tiaokhiao gave it the name bimlastillion, referring to the value of this number.[2]

## ApproximationsEdit

Notation Lower bound Upper bound
Scientific notation $$1\times10^{6\,000}$$
Arrow notation $$10\uparrow6\,000$$
Steinhaus-Moser Notation 1838[3] 1839[3]
Copy notation 9[6000] 1[6001]
Chained arrow notation $$10→6\,000$$
Taro's multivariable Ackermann function A(3,19928) A(3,19929)
Pound-Star Notation #*((1249))*41 #*((1250))*41
BEAF {10,6000}
Hyper-E notation E6,000
Bashicu matrix system (0)(1)[11] (0)(1)[12]
Hyperfactorial array notation 2,079! 2,080!
Fast-growing hierarchy $$f_2(19\,917)$$ $$f_2(19\,918)$$
Hardy hierarchy $$H_{\omega^2}(19\,917)$$ $$H_{\omega^2}(19\,918)$$
Slow-growing hierarchy $$g_{\omega^{\omega^36}}(10)$$