The enneahectaenneacontaennillion is equal to 102,997.[1] The term was coined by Sbiis Saibian using Russ Rowlett's Greek-based -illion naming system.

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


Notation Lower bound Upper bound
Scientific notation \(1\times10^{2\,997}\)
Arrow notation \(10\uparrow2\,997\)
Steinhaus-Moser Notation 999[3] 1000[3]
Copy notation 9[2997] 10[1499]
Taro's multivariable Ackermann function A(3,9952) A(3,9953)
Pound-Star Notation #*((2124))*30 #*((2125))*30
BEAF {10,2997}
Hyper-E notation E2,997
Bashicu matrix system (0)(1)[10] (0)(1)[11]
Hyperfactorial array notation 1,141! 1,142!
Fast-growing hierarchy \(f_2(9\,942)\) \(f_2(9\,943)\)
Hardy hierarchy \(H_{\omega^2}(9\,942)\) \(H_{\omega^2}(9\,943)\)
Slow-growing hierarchy \(g_{\omega^{\omega^32+\omega^29+\omega9+7}}(10)\)

Sources Edit

  1. Saibian, Sbiis. Russ Rowlett's Greek Based -illions. Retrieved 2017-05-16.
  2. Aarex Tiaokhiao's large numbers site