Euler's Number to Power of its Negative

Example of Power to Real Number

Euler's Number $e$ to the power of its negative is approximately equal to:

$e^{-e} \approx 0 \cdotp 06598 \, 80358 \, 45312 \ldots$

This sequence is A073230 in the On-Line Encyclopedia of Integer Sequences (N. J. A. Sloane (Ed.), 2008).

Also see

• Euler's Number to Power of its Reciprocal

Sources

• 1964: Milton Abramowitz and Irene A. Stegun: Handbook of Mathematical Functions ... (previous) ... (next): Table $1.1$. Mathematical Constants
• 1983: François Le Lionnais and Jean Brette: Les Nombres Remarquables ... (previous) ... (next): $0,06598803584 \ldots$
• 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $1 \cdotp 444 \, 667 \, 861 \ldots$
• 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $1 \cdotp 44466 \, 7861 \ldots$