PROOF 185
Prove.
If the number of divisors is odd, the number is a square
On the natural numbers ℕ.
Definition D1
A natural number d is a divisor of n when there is a natural number e with n = d · e, written d ∣ n.
Proof.
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PROOF 185
If the number of divisors is odd, the number is a square
On the natural numbers ℕ.
Definition D1
A natural number d is a divisor of n when there is a natural number e with n = d · e, written d ∣ n.
Proof.
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