'Six' in the Bible

and the four living creatures, having each one of them six wings, are full of eyes round about and within: and 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 that hath understanding, let him count the number of the beast; for it is the number of a man: and his number is Six hundred and sixty and six.

And the winepress are trodden without the city, and there came out blood from the winepress, even unto the bridles of the horses, as far as a thousand and six hundred furlongs.