2 Samuel 24:9

A Conservative Version

And Joab gave the sum of the numbering of the people to the king. And there were in Israel eight hundred thousand valiant men who drew the sword, and the men of Judah were five hundred thousand men.

Cross References

Numbers 1:26

Of the sons of Judah, their generations, by their families, by their fathers' houses, according to the number of the names, from twenty years old and upward, all that were able to go forth to war,

2 Samuel 24:8

So when they had gone to and from through all the land, they came to Jerusalem at the end of nine months and twenty days.