1416.6667
1416 is an integer 1000 is an integer A rational number is any number produced by dividing two integers. As such yes 1.416 is a rational number of 1416/1000
0.0028
83
1.66
58.9759
9.0241
4.6111
83 is a prime number and has no other divisors that are prime numbers except 83; 83 divided by 83 equals 1.
0.0831
2648
83