Contradiction with 1 Chronicles 11:11
The number of mighty men listed differs from the total given in 1 Chronicles 11:36.
1 Chronicles 11:11: And this [is] the number of the mighty men whom David had; Jashobeam, an Hachmonite, the chief of the captains: he lifted up his spear against three hundred slain [by him] at one time. [an Hachmonite: or, son of Hachmoni]
Contradiction with 2 Samuel 23:24
The parallel list of mighty men in 2 Samuel has variations in the names and numbering compared to 1 Chronicles 11:36.
2 Samuel 23:24: Asahel the brother of Joab [was] one of the thirty; Elhanan the son of Dodo of Bethlehem,