Type Size Range (Inclusive) BCL Name Signed
sbyte 8 bits -128 to 127 System.SByte Yes
byte 8 bits 0 to 255 System.Byte No
short 16 bits -32,768 to 32,767 System.Int16 Yes
ushort 16 bits 0 to 65,535 System.UInt16 No
int 32 bits -2,147,483,648 to 2,147,483,647 System.Int32 Yes
uint 32 bits 0 to 4,294,967,295 System.UInt32 No
long 64 bits -9,223,372,036,854,775,808 to 9,223,372,036,854,775,807 System.Int64 Yes
ulong 64 bits 0 to 18,446,744,073,709,551,615 System.UInt64 No