What is the difference between int, int16, Int32 and int64 in C#.

 int Vs int16 Vs Int32 Vs int64 in c#

int	Int16	Int32	Int64
1> It is a primitive data type defined in C#.	It is a FCL type.	It is a FCL type.	It is a FCL type.
2> It is mapped to Int32 of FCL type.	In C#, short is mapped to Int16.	In C#, int is mapped to Int32.	In C#, long is mapped to Int64.
3> It is a value type and represent System.Int32 struct.	It is a value type and represent System.Int16 struct.	It is a value type and represent System.Int32 struct.	It is a value type and represent System.Int64 struct.
4> It is signed and takes 32 bits.	It is signed and takes 16 bits.	It is signed and takes 32 bits.	It is signed and takes 64 bits.
5> It has minimum -2147483648 and maximum +2147483647 capacity.	It has minimum -32768 and maximum +32767 capacity.	It has minimum -2147483648 and maximum +2147483647 capacity.	It has minimum –9,223,372,036,854,775,808 and maximum 9,223,372,036,854,775,807 capacity.