Only perfect squares can have an odd number of factors.
The answer is 16.
It has five factors: 1,2,4,8,16.
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Only perfect squares can have an odd number of factors.
The answer is 16.
It has five factors: 1,2,4,8,16.
Ten Is An Even Number.
Most US ATM's only dispense twenty dollar bills. Occasionally you will find one that also dispenses ten dollar bills. Obtaining any amount that is not a multiple of ten is not possible.
Twenty-five and forty-seven ten thousandths
That's impossible. Adding up an odd number of odd numbers will give an answer that is an odd number. 50 is an even number. So adding up 5(5 is an odd number) odd numbers will not give 50, an even number.
The next square number after ten (which is not a square number) is 16. Sixteen has five factors.