'Eight' in the Bible

Abijah joined battle with an army of valiant men of war, even four hundred thousand chosen men: and Jeroboam set the battle in array against him with eight hundred thousand chosen men, who were mighty men of valor.

Jehoram was thirty-two years old when he began to reign; and he reigned eight years in Jerusalem.

Thirty-two years old was he when he began to reign, and he reigned in Jerusalem eight years: and he departed without being desired; and they buried him in the city of David, but not in the tombs of the kings.

Now they began on the first [day] of the first month to sanctify, and on the eighth day of the month came they to the porch of Yahweh; and they sanctified the house of Yahweh in eight days: and on the sixteenth day of the first month they made an end.

Josiah was eight years old when he began to reign; and he reigned thirty-one years in Jerusalem.

Jehoiachin was eight years old when he began to reign; and he reigned three months and ten days in Jerusalem: and he did that which was evil in the sight of Yahweh.