Number associated with luck and prosperity in China (5)

I believe the answer is:
eight
(Other definitions for eight that I've seen before include "Number for rowers" , "Two cubed" , "Perfect cube" , "Number; rowing boat" , "Cardinal number" .)
I believe the answer is:
eight
(Other definitions for eight that I've seen before include "Number for rowers" , "Two cubed" , "Perfect cube" , "Number; rowing boat" , "Cardinal number" .)