'Seven' in the Bible

Also, seven priests shall carry seven trumpets [made] of rams’ horns ahead of the ark; then on the seventh day you shall march around the city seven times, and the priests shall blow the trumpets.

So Joshua the son of Nun called for the priests and said to them, “Take up the ark of the covenant, and have seven priests carry seven trumpets made of rams’ horns ahead of the ark of the Lord.”

And it was so, that when Joshua had spoken to the people, the seven priests carrying the seven trumpets made of rams’ horns went on before the Lord and blew the trumpets; then the ark of the covenant of the Lord went behind them.

The seven priests carrying the seven trumpets made of rams’ horns ahead of the ark of the Lord went on continually, blowing the trumpets; and the armed men went ahead of them and the rear guard came after the ark of the Lord, while the priests continued to blow the trumpets.

Then on the seventh day they got up early at daybreak and marched around the city in the same way seven times; only on that day they marched around the city seven times.

There remained among the Israelites seven tribes who had not yet divided their inheritance.

They shall divide it into seven parts; [the tribe of] Judah shall remain in its territory on the south, and the house of Joseph shall remain in its territory on the north.

You shall describe the land in seven divisions, and bring the description here to me. I will cast lots for you here before the Lord our God.

So the men set out and passed through the land, and described it by cities in seven divisions in a book; and they came back to Joshua to the camp at Shiloh.