'Seven' in the Bible

Then he goes and takes with himself seven other spirits worse than himself, and entering in, they dwell there; and the last condition of that man becomes worse than the first. Thus shall it be to this wicked generation also.

And Jesus says to them, How many loaves have ye? But they said, Seven, and a few small fishes.

and having taken the seven loaves and the fishes, having given thanks, he broke them and gave them to his disciples, and the disciples to the crowd.

And all ate and were filled; and they took up what was over and above of the fragments seven baskets full;

nor the seven loaves of the four thousand, and how many baskets ye took up?

Then Peter came to him and said, Lord, how often shall my brother sin against me and I forgive him? until seven times?

Jesus says to him, I say not to thee until seven times, but until seventy times seven.

Now there were with us seven brethren; and the first having married died, and not having seed, left his wife to his brother.

In like manner also the second and the third, unto the seven.

In the resurrection therefore of which of the seven shall she be wife, for all had her?