'Number' in the Bible

And I saw, and there came to my ears the sound of a great number of angels round about the high seat and the beasts and the rulers; and the number of them was ten thousand times ten thousand, and thousands of thousands;

And there was given to every one a white robe, and they were ordered to take their rest for a little time, till the number was complete of the other servants, their brothers, who would be put to death, even as they had been.

And there came to my ears the number of those who had the mark on their brows, a hundred and forty-four thousand, who were marked out of every tribe of the people of Israel.

And the name of the star is Wormwood: and a third part of the waters became bitter; and a number of men came to their end because of the waters, for they were made bitter.

And the number of the armies of the horsemen was twice ten thousand times ten thousand: the number of them came to my ears.

So that no man might be able to do trade but he who has the mark, even the name of the beast or the number of his name.

Here is wisdom. He who has knowledge let him get the number of the beast; because it is the number of a man: and his number is Six hundred and sixty-six.

And I saw a sea which seemed like glass mixed with fire; and those who had overcome the beast and his image and the number of his name, were in their places by the sea of glass, with God's instruments of music in their hands.

And will go out to put in error the nations which are in the four quarters of the earth, Gog and Magog, to get them together to the war, the number of whom is like the sands of the sea.