Issachar: The Tribe of Issachar: Military Forces of, Taken at Sinai
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Numbers 1:28, 29
From the sons of Issachar, according to the records of their clans and families, counting the names of all those twenty years of age or older who could serve in the army, / those registered to the tribe of Issachar numbered 54,400.
Numbers 2:6
and his division numbers 54,400.