'Six' in the Bible

'And if a female she bear, then she hath been unclean two weeks, as in her separation; and sixty and six days she doth abide for the blood of her cleansing.

six days is work done, and in the seventh day is a sabbath of rest, a holy convocation; ye do no work; it is a sabbath to Jehovah in all your dwellings.

and thou hast set them two ranks (six in the rank) on the pure table before Jehovah,

'Six years thou dost sow thy field, and six years thou dost prune thy vineyard, and hast gathered its increase,