410

410 is a natural number that comes after 409 and before 411. It is even and composite, with prime factorization 2 × 5 × 41. In Roman numerals it is written as CDX.

410 is used as an HTTP status code, where 410 Gone indicates that the requested resource has been permanently removed and no forwarding address is available. This differs from 404 Not Found, which may be temporary or unknown.

410 CE is notable for the sack of Rome by the Visigoths under Alaric I, an event that is often cited as a turning point in the decline of the Western Roman Empire.

Area code 410 covers parts of Maryland, including Baltimore, and was established in 1991. It is currently overlaid by 443 and 667.

Interstate 410 is a beltway around San Antonio, Texas, forming a partial ring road that intersects with I-10 and I-35.