In Context

16 These are the most noble princes of the multitude by their tribes and kindreds, and the chiefs of the army of Israel:

17 Whom Moses and Aaron took with all the multitude of the common people:

18 And assembled them on the first day of the second month, reckoning them up by the kindreds, and houses, and families, and heads, and names of every one from twenty years old and upward,

19 As the Lord had commanded Moses. And they were numbered in the desert of Sinai.

20 Of Ruben the eldest son of Israel, by their generations and families and houses and names of every head, all that were of the male sex, from twenty years old and upward, that were able to go forth to war,

21 Were forty-six thousand five hundred.

Numbers 1:19 in Other Translations