Googology Wiki
Googology Wiki

The septenary-googol is equal to 7100 ~ 3.234*1084 or 3.234 septenvigintillion in short scale.[1] The term was coined by Aarex Tiaokhiao.

Username5243 calls this number Septary-Googol, and it's equal to 7[1]100 in Username5243's Array Notation.[2]

It is 85 digits long.

Decimal expansion



Notation Lower bound Upper bound
Scientific notation \(3.234\times10^{84}\) \(3.235\times10^{84}\)
Arrow notation \(7\uparrow100\)
Steinhaus-Moser Notation 49[3] 50[3]
Copy notation 2[85] 3[85]
Chained arrow notation \(7\rightarrow100\)
Taro's multivariable Ackermann function A(3,277) A(3,278)
Pound-Star Notation #*(1,1)*48
PlantStar's Debut Notation [50] [51]
BEAF {7,100}
Hyper-E notation E[7]100
Bashicu matrix system (0)(0)(0)(0)(0)[437] (0)(0)(0)(0)(0)[438]
Bird's array notation {7,100}
Hyperfactorial array notation 61! 62!
Strong array notation s(7,100)
Fast-growing hierarchy \(f_2(272)\) \(f_2(273)\)
Hardy hierarchy \(H_{\omega^2}(272)\) \(H_{\omega^2}(273)\)
Slow-growing hierarchy \(g_{\omega^{\omega^22+2}}(7)\)