DCCLXXV

DCCLXXV is the Roman numeral for the decimal number 775. It is built from D (500) + CC (200) + L (50) + XX (20) + V (5), forming an additive notation in which each symbol contributes its value without subtraction.

In historical usage, Roman numerals such as DCCLXXV were common for dating events, labeling chapters, monarchs, and inscriptions. When used as a year, 775 CE would place the event in the 8th century. The form DCCLXXV is the standard representation for 775 in medieval and modern contexts that employ Roman numerals.

Numerical properties: 775 is an odd composite number, with prime factorization 5^2 × 31. In other bases, it equals 0x307 in hexadecimal and 1100001111 in binary.

Name and context: in English, DCCLXXV is read as "seven hundred seventy-five." The numeral remains recognizable in Latin-script contexts and is still seen in historical inscriptions, regnal lists, and certain formatting conventions, even as modern usage largely relies on Arabic numerals for everyday counting.