768

768 is a natural number that sits between 767 and 769. It is even and composite, with prime factorization 2^8 × 3, which gives it 18 divisors. The sum of its digits is 21, so the number is divisible by 3 but not by 9.

In various base representations, 768 is written as 1100000000 in binary, 1400 in octal, and 0x300 in hexadecimal. In Roman numerals it is DCCLXVIII.

In the calendar, the year 768 CE was a year of Frankish history: Pepin the Short died, and Charlemagne and Carloman I became joint rulers of the Frankish realm.

In computing and display technology, 1024×768, known as XGA, is a widely used computer display resolution; 768 represents the vertical pixel count.