intmax
intmax returns the maximum integer value 2^31 - 1 (2147483647).
Examples
> intmax# 2147483647
> intmax == 2147483647 [ans:true]
> intmax == 2147483649 [ans:false]
> intmax# 2147483647
> intmax == 2147483647 [ans:true]
> intmax == 2147483649 [ans:false]