Bits	Name	Range	Decimal digits	Uses
8	byte, octet	Signed: −128 to +127	3	ASCII characters, C/C++ char, C/C++ int8_t, Java byte, C# byte
		Unsigned: 0 to +255	3
16	halfword, word	Signed: −32,768 to +32,767	5	UCS-2 characters, C/C++ short, C/C++ int16_t, Java short, C# short, Java char
		Unsigned: 0 to +65,535	5
32	word, long, doubleword, longword	Signed: −2,147,483,648 to +2,147,483,647	10	UCS-4 characters, Truecolor with alpha, C/C++ long, C/C++ int32_t, Java int, C# int, FourCC
		Unsigned: 0 to +4,294,967,295	10
64	doubleword, longword, long long, quad, quadword	Signed: −9,223,372,036,854,775,808 to +9,223,372,036,854,775,807	19	C/C++ long long, C/C++ int64_t, Java long, C# long
		Unsigned: 0 to +18,446,744,073,709,551,615	20
128	octaword	Signed: −170,141,183,460,469,231,731,687,303,715,884,105,728 to +170,141,183,460,469,231,731,687,303,715,884,105,727	39	C only available as non-standard compiler-specific extension
		Unsigned: 0 to +340,282,366,920,938,463,463,374,607,431,768,211,455	39
n	n-bit integer (general case)	Signed: ( − 2n − 1) to (2n − 1 − 1)		Ada range 2**(n-1) .. 2**n;
		Unsigned: 0 to (2n − 1)		Ada mod 2**n;

Integer Storage

n-bit integer
(general case)

Signed: ( − 2^{n − 1}) to (2^{n − 1} − 1)
Unsigned: 0 to (2ⁿ − 1)

Decimal Digits:




Signed Unsigned Decimal Digits
( − 2^{n − 1}) to (2^{n − 1} − 1) 0 to (2ⁿ − 1)