There was still another battle at Gath where there was a man of extraordinary stature with six fingers on each hand and six toes on each foot—24 in all. He, too, was descended from the giant.

Six sons were born to David in Hebron, where he ruled seven years and six months, and he ruled in Jerusalem 33 years.

From Jeduthun: Jeduthun’s sons:
Gedaliah, Zeri, Jeshaiah, Shimei, Hashabiah, and Mattithiah—six—under the authority of their father Jeduthun, prophesying to the accompaniment of lyres, giving thanks and praise to the Lord.

There were six Levites each day on the east, four each day on the north, four each day on the south, and two pair at the storehouses.