Numbers 3:28
In the number of all the males, from a month old and upward, were eight thousand and six hundred, keeping the charge of the sanctuary.
Cross-reference
Numbers 3:31 specifies the holy objects entrusted to the Kohathites—ark, table, lampstand, altars—detailing the duty mentioned here.
Numbers 3:15 commands the census of Levites; this verse records the resulting count for Kohathites, fulfilling that command.
Numbers 3:39 gives the total Levite count (22,000), of which the 8,600 Kohathites here are a part.
Numbers 3:7 describes the general Levitical duty of serving Aaron and the congregation, which the Kohathites in 3:28 specifically share as part of the Levites.
Numbers 3:35 assigns Merarites to the north side, while this verse describes Kohathites—both part of the Levitical census but different clans.
Numbers 4:35 counts the Kohathites eligible for service (ages 30–50), a subset of the total 8,600 males from one month old in 3:28.
Numbers 4:36 gives the exact number (2,750) of Kohathite service men, contrasting with the broader census of 8,600 in 3:28.