DCCLXIX

DCCLXIX is a Roman numeral representing the integer 769. It is formed from the symbols D (500), C (100), C (100), LX (60), and IX (9). The IX uses subtractive notation to denote 9, so the full value is 500 + 100 + 100 + 60 + 9 = 769.

In mathematics, 769 is a prime number, having no positive divisors other than 1 and itself. It is odd and not divisible by 3 or 5, and it has no prime factors below its square root (which is about 27.8). As a result, 769 has a straightforward prime status with no nontrivial factorization.

Historically, 769 CE falls in the late 8th century, within the early medieval period and the Carolingian era in parts of Europe. The year would have been documented within the Julian calendar, but specific events vary by region and source.

In modern usage, DCCLXIX may appear in contexts that employ Roman numerals, such as ordinal numbering, chapter or volume indices, year annotations in inscriptions, or catalog identifiers. It also serves as an example in discussions of Roman numeral syntax and numeral systems.