C# Shorthand CLS Compliant? System Type Range Meaning in Life
sbyte No System.SByte 128 to 127 Signed 8-bit number
byte Yes System.Byte 0 to 255 Unsigned 8-bit number
short Yes System.Int16 32,768 to 32,767 Signed 16-bit number
ushort No System.UInt16 0 to 65,535 Unsigned 16-bit number
int Yes System.Int32 2,147,483,648 to 2,147,483,647 Signed 32-bit number
uint No System.UInt32 0 to 4,294,967,295 Unsigned 32-bit number
long Yes System.Int64 9,223,372,036,854,775,808 to 9,223,372,036,854,775,807 Signed 64-bit number
ulong No System.UInt64 0 to 18,446,744,073,709,551,615 Unsigned 64-bit number
char Yes System.Char U0000 to Uffff A single 16-bit Unicode character
float Yes System.Single 1.5 * 10^-45 to 3.4 * 10^38 32-bit floating point number
double Yes System.Double 5.0 * 10^-324 to 1.7 * 10^308 64-bit floating point number
bool Yes System.Boolean true or false Represents truth or falsity
decimal Yes System.Decimal 10^0 to 10^28 A 96-bit signed number
string Yes System.String Limited by system memory Represents a set of Unicode characters
object Yes System.Object Any type can be stored in an object variable The base class of all types in the .NET universe