6, 8, 10, 14, 15, 21, 22, 26, 27, 33, 34, 35, 38, 39, 46, 51, 55, 57, 58, 62, 65, 69, 74, 77, 82, 85, 86, 87, 91, 93, 94, 95
14
10 is a factor that has four ; 1 , 2 , 5 , & 10
6
6, 8, 10, 14, 15, 21, 22, 26, 27, 33, 34, 35, 38, 39, 46 have exactly four factors.
465.001
0, 1, 2, 3
4, 9 and 25.
the four smallest numbers are 4, 9, 25 and 49.
They are numbers that are the product of two different prime numbers. If the primes are p and q, the four factors are 1, p, q and pq.
Any composite number. Examples: 4 and 9 . . . (three factors) 6, 8, and 10 . . . (four factors) 12 . . . (six factors) 60 . . . (twelve factors)
Numbers with exactly 6 factors are perfect squares of prime numbers. The prime factorization of a number with exactly 6 factors is in the form ( p^2 ), where ( p ) is a prime number. There are 10 prime numbers less than 30: 2, 3, 5, 7, 11, 13, 17, 19, 23, and 29. So, there are 10 numbers less than 30 that have exactly 6 factors.
equal
401,454
There are four odd numbers less that 100 that have 6 factor. This does not compare with even numbers that have 12 factors!
123,404
400,044.
It is 400,000,004