One possible conjecture is that each square number up to 1000 has 4 factors. The conjecture is manifestly false, but it is still a conjecture.
No, only square numbers have an odd number of factors.
Yes. Square numbers have an odd number of factors. 49 has three factors.
Even powers of prime numbers. Square numbers have an odd number of factors.
Square numbers have an odd number of factors.
Square numbers have an odd number of factors, all others have an even number. In this context, primes can either be considered as having 0 factors (an even number) or 2 factors - 1 and itself, again, an even number.
Square numbers have an odd number of factors.
Square numbers have an odd number of factors.
All square numbers have an odd number of factors.
No, only square numbers have an odd number of factors.
Square numbers have an odd number of factors.
Square numbers have an odd number of factors.
Square numbers have an odd number of factors.
Square numbers have an odd number of factors.
No. Perfect square numbers have an odd number of factors.
Square numbers have an odd number of factors.
Square numbers
Square numbers have an odd number of factors.