Bamidbar 1:19-21

Orthodox Jewish Bible

¹⁹ As Hashem commanded Moshe, so he counted them in the midbar of Sinai.

²⁰ And the bnei Reuven, Yisroel’s bechor, by their toldot, after their mishpekhot, by the bais of their avot, according to the number of the shmot, one by one, every zakhar from twenty years old and upward, all that are ablebodied to serve in tzava;

²¹ Those that were numbered of them, even of the tribe of Reuven, were forty and six thousand and five hundred.