OFFSET
3,2
COMMENTS
This number is the y-coordinate of the point at which the factorial function, Gamma(x+1), begins to exceed the exponential function.
LINKS
Robert Munafo, Notable Properties of Specific Numbers.
FORMULA
Equals exp(A078335).
EXAMPLE
x = 5.29031609311977071072...
y = 198.40406130311276776911...
MATHEMATICA
RealDigits[x /. FindRoot[Gamma[Log[x] + 1] == x, {x, 200}, WorkingPrecision -> 120], 10, 115][[1]] (* Amiram Eldar, May 31 2021 *)
PROG
(PARI) \p200
exp(solve (x=5, 6, exp(x)-gamma(x+1))) \\ Hugo Pfoertner, Dec 12 2019
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Eliora Ben-Gurion, Dec 12 2019
STATUS
approved