What are kind and number of atoms in ring portion in the haworth structure of glucose

The six member ring and the position of the -OH group on the carbon (#4) identifies glucose from the -OH on C # 4 in a down projection in the Haworth structure). Fructose is recognized by having a five member ring and having six carbons, a hexose.

In the cyclic structure of glucose, there are five carbon atoms and an oxygen atom.