110111001

110111001 is a binary numeral composed of nine bits. In binary notation it represents a single value and is commonly encountered as a fixed-length bit pattern in computing.

Value as unsigned: The unsigned interpretation of 110111001 is decimal 441, and hexadecimal 0x1B9.

Signed interpretation: As a 9-bit two's complement signed integer, the same pattern represents -71, since 441 − 512 = −71.

Mathematical properties: Decimal 441 is a perfect square (21^2) and factors as 3^2 × 7^2.

Usage and context: In computer science and digital electronics, 110111001 may appear as a data word, memory content, or an instruction or flag pattern depending on the encoding. It can be used to illustrate binary arithmetic, bitwise operations, or encoding schemes in teaching materials.

See also: Related topics include binary numeral system, hexadecimal notation, two's complement representation, and the decimal value 441.