442

442 is the natural number that comes after 441 and before 443. In mathematics, it is an even composite number with prime factorization 2 × 13 × 17. In Roman numerals, 442 is written as CDXLII.

In the calendar, 442 can refer to the year AD 442, a year in the Julian calendar during late antiquity. As with any single year, it is used in historical dating to place events within the broader timeline of the Roman Empire and neighboring regions.

In telecommunications, 442 is an area code in southern California that covers parts of the region and overlays the 760 area code. Area code 442 is used for telephone numbers in this geographic area under the North American Numbering Plan.

In sports, 4-4-2 commonly refers to a football (association football) formation consisting of four defenders, four midfielders, and two forwards. The 4-4-2 formation has been widely used since the late 20th century and is known for its balanced approach to defense and attack, though variations and evolutions in tactics have affected its popularity over time.

Beyond these uses, 442 may appear in various catalog numbers, model names, or identifiers across different industries. As a number, it functions as a basic unit in arithmetic, as well as a mnemonic or label in diverse cultural and technical contexts.