Contradiction with Matthew 5:44
Numbers 1:42 discusses the counting of warriors, whereas Matthew 5:44 promotes love for enemies and peace.
Matthew 5:44: But I say unto you, Love your enemies, bless them that curse you, do good to them that hate you, and pray for them which despitefully use you, and persecute you;
Contradiction with Exodus 20:13
Numbers 1:42 refers to a census for potential war, while Exodus 20:13 commands not to kill.
Exodus 20:13: Thou shalt not kill.
Contradiction with Isaiah 2:4
Numbers 1:42 involves preparing for battle, contrasting with Isaiah 2:4's vision of peace and ending war.
Isaiah 2:4: And he shall judge among the nations, and shall rebuke many people: and they shall beat their swords into plowshares, and their spears into pruninghooks: nation shall not lift up sword against nation, neither shall they learn war any more. [pruninghooks: or, scythes]
Contradiction with Ezekiel 18:32
Numbers 1:42 focuses on preparing people for war, while Ezekiel 18:32 emphasizes God's desire for no one to die, but to turn from their ways and live.
Ezekiel 18:32: For I have no pleasure in the death of him that dieth, saith the Lord GOD: wherefore turn [yourselves], and live ye. [yourselves: or, others]
Contradiction with Romans 14:19
Numbers 1:42 details organizing a military force, counter to Romans 14:19's call to pursue peace and edification.
Romans 14:19: Let us therefore follow after the things which make for peace, and things wherewith one may edify another.