'Nine and twenty' in the Bible

And Nahor lived nine and twenty years, and begat Terah:

Hezekiah began to reign when he was five and twenty years old; and he reigned nine and twenty years in Jerusalem: and his mother's name was Abijah, the daughter of Zechariah.

And this is the number of them: thirty platters of gold, a thousand platters of silver, nine and twenty knives,