Yes
It is 345
345 is a composite number because it has more than two factors
Composite because since the last digit is a five, it can be divided by five.
Composite
Itself because 345/345 = 1
All multiples of 345, which is an infinite number.
21,000/345 = 60.87 60.87 x 345 = 21000
No it is not a square number. It's square root is 18.57 rounded.
345 is an odd number. This is because odd numbers don't divide by 2 exactly, but even numbers do divide by 2 exactly. 345 divided by 2 is 172.5 which is not a whole number. Therefore 345 is an odd number.
It is a composite number.284 is a composite number
94 is a composite number
It is a composite number.