29 because it's the only Prime number in the set. It has only two factors, itself and one.
-4.2 is a negative decimal number. It is also a directed number.
14832
I would say that 4 doesn't belong because it is not a multiple of 3.
Since there is only one number given, it is not possible to determine the criterion for inclusion. So there cannot be an answer.
1/2 is a rational number
It is 100, which does not belong to any other number!
The phone number belong to my friend Michael,
It is a prime number
One reason the number 89 does not belong is because it is a prime number and the other numbers are not.
4 doesn't belong because it's an even number.
It is a rational number and a real number. a positive number.
That number doesn't belong to anyone.
There is only one number, so "which number" makes no sense!
i have no answers for this sorry.
Trees
UPS
123 does not belong because it isn't in the 3s multiplication 31 does not belong because it isn't in the 3s multilplication