How many stars are in the constellation Polaris?

Polaris is not a constellation but it is the brightest star in the constellation Ursa Minor, the Little Bear. Polaris is not a single star just like half of all known stars are not single stars like our sun but are normally in a system of two or more stars. Polaris is part of a system that is four stars. It's closest companion known as Polaris Ab is easy to see in a small telescope.