3
16
The product of any non-zero number & its reciprocal equals 1.
7
If you mean the product of its prime factors then it is: 2*3*3*7 = 126
19
There is only one number that equals 16. That number is 16.
16*3 = 48
3 times 16 equals 48.
3
16
16
How about: 3*5 = 15 as a product of its prime factors
3 (n + 7) = 16
The product of any non-zero number & its reciprocal equals 1.
6x3=18
16 / 5 is equal to 3 1/5