840
It is a whole number that is 1000 less than zero.
Perfect squares have an odd number of factors. There are 31 perfect squares less than 1000.
It is a whole number that is 1000 less than zero.
There are 12 numbers less than 150 which have an odd number of factors: 1,4,9,16,25,36,49,64,81,100,121,144.
It is a whole number that is 1000 less than zero.
2 100
There are 31 numbers less than 1,000 which have an odd number of factors. They are: 1,4,9,16,25,36,49,64,81,100,121,144,169,196,225,256,289,324,361,400,441,484,529,576,625,676,729,784,841,900,961.
36
36
the number 90 has the most factors under 100
The three greatest whole numbers less than 200 that each have an odd number of factors are 144, 169 and 196.
360, 420 and 480 each have 24 factors.