Skewes' number

Definitions

Any of several extremely large numbers used as upper bounds for the smallest natural number x for which π(x)> operatorname li(x), where π is the prime-counting function and li is the logarithmic integral function. These bounds have since been improved by others.

Examples

“With this extension, the number⟳ system exceeds a number⟳ of previously-named giants, such as Archimedes' largest number⟳, Kasner's googolplex, Skewes' number⟳ and Candelaria's googoltriplex.”

CEFR level