424

424 is a natural number that follows 423 and precedes 425. In Roman numerals, it is written CDXXIV. The number appears in various contexts as a label, code, or year designation.

In mathematics, 424 is even and composite. Its prime factorization is 2^3 × 53, and its positive divisors are 1, 2, 4, 8, 53, 106, 212, and 424.

In computing, 424 is the HTTP status code "Failed Dependency" defined for WebDAV extensions to HTTP (RFC 4918). It is returned when a request cannot be completed because of a failure in a related request.

Geographically, 424 is an area code in the North American Numbering Plan serving part of the Los Angeles region, overlapping with the 310 area code.

Beyond these uses, 424 may appear in product model numbers, route designations, or other identifiers as a label rather than a mathematical property.