Bamidbar 1:45-47

Orthodox Jewish Bible

⁴⁵ So were all those that were numbered of the Bnei Yisroel, by the bais of their avot, from twenty years old and upward, all that were able-bodied to serve in tzava b’Yisroel (army in Yisroel);

⁴⁶ Even all they that were numbered were six hundred thousand and three thousand and five hundred and fifty.

⁴⁷ But the Levi’im after the tribe of their avot were not numbered among them.