16:21
The ratio is simply 720:240. You may wish to simplify that to 3:1.
If you mean as a ratio then it is 1/2
1, 5, 7, 25, 35, 125, 175, 625, 875, 4375.
The divisors of 4,375 are 1, 5, 7, 25, 35, 125, 175, 625, 875, 4375.
3,333,333 is not a prime.
0.4375
simplify the ratio 18b^2 to 45b
3333333/1000 = 3333.333 thousands are in 3333333
43.75 is a fraction. It is a fraction in decimal form rather than in the form of a ratio. However, that does not stop it being a fraction. Its rational equivalent is 4375/100 which can be simplified. But simplification means that you lose information about the precision of the fraction.
It would be represented as 3333333/1.
4375 = 4,375
No.
17:23 is the tidiest ratio.
1654, as a simplified ratio, is 1654/1.
43.75 = 4375/100, which is a number in ratio form. It can be simplified if desired.
0.4375 is a fraction. It is a fraction in decimal form rather than in the form of a ratio. However, that does not stop it being a fraction. Its rational equivalent is 4375/10000 which can be simplified. But simplification will mean that you lose information about the precision of the fraction.
4375/1.