4 Bible Verses about Eighteen

Rehoboam loved Absalom's daughter Maacah more than he did all of his wives and mistresses. (He married eighteen wives and 60 concubines, fathering 28 sons and 60 daughters.)

Meshelemiah had 18 sons and brothers who were valiant men.

By the grace of our God they brought back a discerning man from the descendants of Mahli, a descendant of Israel's son Levi, along with Sherebiah and eighteen of his sons and brothers;

What about those eighteen people who were killed when the tower at Siloam fell on them? Do you think they were worse offenders than all the other people living in Jerusalem?