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Planus is equal to [2] = 482 = 2,304 using PlantStar's Debut Notation.[1] The term was coined by PlantStar.

In sports

It is also the number of possible FIFA Confederations Cup outcomes (counting only group winners, runner-ups and knockout match winners) after the drawing of the final tournament.


Notation Lower bound Upper bound
Scientific notation \(2.304\times10^3\)
Arrow notation \(48\uparrow2\)
Steinhaus-Moser Notation 4[3] 5[3]
Copy notation 2[4] 3[4]
Chained arrow notation \(48\rightarrow2\)
Taro's multivariable Ackermann function A(3,8) A(3,9)
Pound-Star Notation #*(2)*8 #*(2)*9
BEAF {48,2}
Hyper-E notation E[48]2
Bashicu matrix system (0)[47] (0)[48]
Hyperfactorial array notation 6! 7!
Bird's array notation {48,2}
Strong array notation s(48,2)
Fast-growing hierarchy \(f_2(8)\) \(f_2(9)\)
Hardy hierarchy \(H_{\omega^2}(8)\) \(H_{\omega^2}(9)\)
Slow-growing hierarchy \(g_{\omega^2}(48)\)