The quindecimal-googol is equal to 15100 ~ 4.065*10117 or 4.065 octotrigintillion in short scale.[1] The term was coined by Aarex Tiaokhiao. It is 118 digits long.
Decimal expansion[]
4065611775352152373972797075670416710103878906323797634290517698787563831961701377171181093217455781996250152587890625
Approximations[]
| Notation | Lower bound | Upper bound |
|---|---|---|
| Scientific notation | \(4.065\times10^{117}\) | \(4.066\times10^{117}\) |
| Arrow notation | \(15\uparrow100\) | |
| Steinhaus-Moser Notation | 64[3] | 65[3] |
| Copy notation | 3[118] | 4[118] |
| Chained arrow notation | \(15→100\) | |
| Taro's multivariable Ackermann function | A(3,387) | A(3,388) |
| Pound-Star Notation | #*(6,2,11,4,7,6,2,3)*8 | #*(7,2,11,4,7,6,2,3)*8 |
| PlantStar's Debut Notation | [69] | [70] |
| BEAF | {15,100} | |
| Hyper-E notation | E[15]100 | |
| Bashicu matrix system | (0)(0)(0)(0)(0)[4734] | (0)(0)(0)(0)(0)[4735] |
| Bird's array notation | {15,100} | |
| Hyperfactorial array notation | 79! | 80! |
| Strong array notation | s(15,100) | |
| Fast-growing hierarchy | \(f_2(382)\) | \(f_2(383)\) |
| Hardy hierarchy | \(H_{\omega^2}(382)\) | \(H_{\omega^2}(383)\) |
| Slow-growing hierarchy | \(g_{\omega^{\omega6+10}}(15)\) | |