'Seven' in the Bible

So Solomon held the feast at that time seven days, and all Israel with him, a very great assembly, from the entrance of Hamath to the brook of Egypt.

On the eighth day they held a solemn assembly: for they kept the dedication of the altar seven days, and the feast seven days.

Haven't you driven out the priests of Yahweh, the sons of Aaron, and the Levites, and made priests for yourselves after the ways of the peoples of [other] lands? so that whoever comes to consecrate himself with a young bull and seven rams, the same may be a priest of [those who are] no gods.

They sacrificed to Yahweh in that day, of the spoil which they had brought, seven hundred head of cattle and seven thousand sheep.

Some of the Philistines brought Jehoshaphat presents, and silver for tribute; the Arabians also brought him flocks, seven thousand and seven hundred rams, and seven thousand and seven hundred male goats.

Joash was seven years old when he began to reign; and he reigned forty years in Jerusalem: and his mother's name was Zibiah, of Beersheba.

Under their hand was an army, three hundred thousand and seven thousand and five hundred, who made war with mighty power, to help the king against the enemy.

They brought seven bulls, and seven rams, and seven lambs, and seven male goats, for a sin offering for the kingdom and for the sanctuary and for Judah. He commanded the priests the sons of Aaron to offer them on the altar of Yahweh.

The children of Israel who were present at Jerusalem kept the feast of unleavened bread seven days with great gladness; and the Levites and the priests praised Yahweh day by day, [singing] with loud instruments to Yahweh.

Hezekiah spoke comfortably to all the Levites who had good understanding [in the service] of Yahweh. So they ate throughout the feast for the seven days, offering sacrifices of peace offerings, and making confession to Yahweh, the God of their fathers.

The whole assembly took counsel to keep other seven days; and they kept [other] seven days with gladness.

For Hezekiah king of Judah did give to the assembly for offerings one thousand bulls and seven thousand sheep; and the princes gave to the assembly a thousand bulls and ten thousand sheep: and a great number of priests sanctified themselves.

The children of Israel who were present kept the Passover at that time, and the feast of unleavened bread seven days.