Numbers 1:45-47

Revised Standard Version

⁴⁵ So the whole number of the people of Israel, by their fathers’ houses, from twenty years old and upward, every man able to go forth to war in Israel— ⁴⁶ their whole number was six hundred and three thousand five hundred and fifty.

⁴⁷ But the Levites were not numbered by their ancestral tribe along with them.