## FANDOM

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A trecennovemnonagintillion is equal to 101,200 in America or 102,394 in France and Germany.

Aarex Tiaokhiao gave the name tetricentillion, referring to the value of this number.[1]

### ApproximationsEdit

For short scale:

Notation Lower bound Upper bound
Scientific notation $$1\times10^{1200}$$
Arrow notation $$10\uparrow1200$$
Steinhaus-Moser Notation 451[3] 452[3]
Copy notation 9[1200] 1[1201]
Taro's multivariable Ackermann function A(3,3983) A(3,3984)
Pound-Star Notation #*((1182))*20 #*((1183))*20
BEAF {10,1200}
Hyper-E notation E1200
Bashicu matrix system (0)(1)[9] (0)(1)[10]
Hyperfactorial array notation 524! 525!
Fast-growing hierarchy $$f_2(3974)$$ $$f_2(3975)$$
Hardy hierarchy $$H_{\omega^2}(3974)$$ $$H_{\omega^2}(3975)$$
Slow-growing hierarchy $$g_{\omega^{\omega^3+\omega^22}}(10)$$

For long scale:

Notation Lower bound Upper bound
Scientific notation $$1\times10^{2394}$$
Arrow notation $$10\uparrow2394$$
Steinhaus-Moser Notation 821[3] 822[3]
Copy notation 9[2394] 1[2395]
Taro's multivariable Ackermann function A(3,7949) A(3,7950)
Pound-Star Notation #*((6605))*27 #*((6606))*27
BEAF {10,2394}
Hyper-E notation E2394
Bashicu matrix system (0)(1)[10] (0)(1)[11]
Hyperfactorial array notation 941! 942!
Fast-growing hierarchy $$f_2(7939)$$ $$f_2(7940)$$
Hardy hierarchy $$H_{\omega^2}(7939)$$ $$H_{\omega^2}(7940)$$
Slow-growing hierarchy $$g_{\omega^{\omega^32+\omega^23+\omega9+4}}(10)$$

### Sources Edit

1. Aarex Tiaokhiao's illion numbers