'Six' in the Bible

The period of David's kingship in Hebron lasted seven years and six months.

He reigned over Judah for seven years and six months in Hebron, and he reigned over all of Israel including Judah for 33 years in Jerusalem.

After those who were carrying the ark of the LORD had taken six steps, he sacrificed oxen and fattened animals,

Later on, there was another battle at Gath, where there was a very tall man with six fingers on each hand and six toes on each foot 24 in number who had also been fathered by giants.