'Six' in the Bible

The four living creatures, each one of them having six wings, are full of eyes around and within. They have no rest day and night, saying, "Holy, holy, holy is the Lord God, the Almighty, who was and who is and who is to come!"

Here is wisdom. He who has understanding, let him calculate the number of the beast, for it is the number of a man. His number is six hundred sixty-six.

The winepress was trodden outside of the city, and blood came out from the winepress, even to the bridles of the horses, as far as one thousand six hundred stadia.