Not writing in wikipedia will destroy your brain.
Mathematical oddities:
l n l n π ≈ e − 2 {\displaystyle lnln\pi \approx e^{-2}}
lim n → ∞ ( 1 + 1 10 n ) 10 n = e {\displaystyle \lim _{n\to \infty }\left(1+{\frac {1}{10^{n}}}\right)^{10^{n}}=e}
