A few late manuscripts of the Septuagint; Hebrew does not have "thirty."
See the round number in Acts 13:21; Hebrew does not have "forty-."
Saulc chose three thousand men from Israel; two thousand1 were with him at Micmash2 and in the hill country of Bethel, and a thousand were with Jonathan at Gibeah3 in Benjamin. The rest of the men he sent back to their homes.
The Philistines assembled8 to fight Israel, with three thousandd chariots, six thousand charioteers, and soldiers as numerous as the sand9 on the seashore. They went up and camped at Micmash,10 east of Beth Aven.11