919

919 is a natural number that lies between 918 and 920. It is a palindromic prime, meaning it reads the same backward as forward and has no divisors other than 1 and itself. In Roman numerals, 919 is CMXIX.

As a palindrome prime, 919 is odd and has no divisors other than 1 and itself. Its primality can be checked by testing primes up to approximately 30, the square root of 919 rounded up.

In telecommunications, 919 is the North American area code serving central North Carolina, including Raleigh, Durham, and Chapel Hill. It was created in 1954 as a split from 704. An overlay area code, 984, has been introduced to relieve number exhaustion, and 10-digit dialing is used in the region.

In motorsport, 919 refers to the Porsche 919 Hybrid, a Le Mans Prototype built by Porsche. It competed in the World Endurance Championship from 2014 to 2017 and won the 24 Hours of Le Mans in 2015, 2016, and 2017, contributing to advances in hybrid propulsion and endurance racing technology.