1 Samuel 27:2

And David arose and passed over, he and the six hundred men with him to Achish the son of Maoch, king of Gath.

1 Samuel 21:10

And David arose and fled that day for fear of Saul, and went to Achish the king of Gath.

1 Samuel 25:13

And David said to his men, Let each man gird on his sword. And they each one girded on his sword, and David also girded on his sword. And about four hundred men went up after David, and two hundred stayed by the stuff.

1 Samuel 30:8

And David inquired of Jehovah, saying, Shall I go after this troop? Shall I overtake them? And He answered him, Go! For you shall surely overtake and will without fail recover all.

1 Kings 2:39-40

And it happened at the end of three years, two of the servants of Shimei ran away to Achish son of Maachah, king of Gath. And they told Shimei, saying, Behold, your servants are in Gath.

Treasury of Scripture Knowledge

Summary

And David arose, and he passed over with the six hundred men that were with him unto Achish, the son of Maoch, king of Gath.

Bible References

The six

1 Samuel 25:13
And David said to his men, Let each man gird on his sword. And they each one girded on his sword, and David also girded on his sword. And about four hundred men went up after David, and two hundred stayed by the stuff.
1 Samuel 30:8
And David inquired of Jehovah, saying, Shall I go after this troop? Shall I overtake them? And He answered him, Go! For you shall surely overtake and will without fail recover all.