'Ninety' in the Bible

And Enos lived ninety years, and begat Cainan:

And all the days of Mahalaleel were eight hundred ninety and five years: and he died.

And Lamech lived after he begat Noah five hundred ninety and five years, and begat sons and daughters:

And when Abram was ninety years old and nine, the LORD appeared to Abram, and said unto him, I am the Almighty God; walk before me, and be thou perfect.

Then Abraham fell upon his face, and laughed, and said in his heart, Shall a child be born unto him that is an hundred years old? and shall Sarah, that is ninety years old, bear?

And Abraham was ninety years old and nine, when he was circumcised in the flesh of his foreskin.