1, 3 and 9
There are 44 positive integers less than 2,010 that have an odd number of factors.
The most factors any odd number less than 100 has is 6. There are 4 numbers which have 6 factors:45, 63, 75 & 99.
Perfect squares have odd numbers of factors. The perfect squares less than 100 are: 1,4,9,16,25,36,49,64,81,100. 64 seems to fit both criteria.
There are four odd numbers less that 100 that have 6 factor. This does not compare with even numbers that have 12 factors!
-13 is an odd number which is less than 5.
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.
There are 44 positive integers less than 2,010 that have an odd number of factors.
Perfect squares have an odd number of factors. There are 31 perfect squares less than 1000.
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.
The most factors any odd number less than 100 has is 6. There are 4 numbers which have 6 factors:45, 63, 75 & 99.
Perfect squares have odd numbers of factors. The perfect squares less than 100 are: 1,4,9,16,25,36,49,64,81,100. 64 seems to fit both criteria.
The three greatest whole numbers less than 200 that each have an odd number of factors are 144, 169 and 196.
105
There are four odd numbers less that 100 that have 6 factor. This does not compare with even numbers that have 12 factors!
27
No, and we doubt that you can either.
There are nine.