'Sixty' in the Bible

... the son of Geber in Ramoth-gilead; he had the towns of Jair, the son of Manasseh, which are in Gilead, and the country of Argob, which is in Bashan, sixty great towns with walls and locks of brass.

And the amount of Solomon's food for one day was thirty measures of crushed grain and sixty measures of meal;

The house which Solomon made for the Lord was sixty cubits long, twenty cubits wide and thirty cubits high.

Now the weight of gold which came to Solomon in one year was six hundred and sixty-six talents;