A number that has exactly an odd number of factors is a power of another number. A number between 10 and 30 that is a power is 16. It is 24 (as well as 42) and its factors are 1, 2, 4, 8, and 16.
Any number of the form a*b^4 where a and b are different prime numbers, or c^9 where c is a prime, will have exactly 10 factors.
45
Exactly halfway between them is 10.15.
Any number n=q1q2...q10 with qi a prime number
Any composite number. Examples: 4 and 9 . . . (three factors) 6, 8, and 10 . . . (four factors) 12 . . . (six factors) 60 . . . (twelve factors)
no because every number is multiplied by 1 and it equals the same as the number...yay:D
The factors of 81 that are between 2 and 10 are 3 and 9.
12
48 has 10 factors.
The first number to have exactly 10 divisors is 48.
48 has ten factors, 60 and 72 have twelve apiece, 80 is the next one with exactly ten.
It's a multiple of 5, a multiple of 6 (since it's between twin primes), and less than 50. The only possibility is 30. To check: The factors of 30 are 1, 2, 3, 5, 6, 10, 15, and 30