'Eighty' in the Bible

And Methuselah liveth an hundred and eighty and seven years, and begetteth Lamech.

And Methuselah liveth after his begetting Lamech seven hundred and eighty and two years, and begetteth sons and daughters.

And Lamech liveth an hundred and eighty and two years, and begetteth a son,

and Abram is a son of eighty and six years in Hagar's bearing Ishmael to Abram.

And the days of Isaac are a hundred and eighty years,