MMDCCLXVI

MMDCCLXVI is a Roman numeral denoting the number 2766. The numeral is composed of the symbols M, M, D, C, C, L, X, V, and I in additive order: M + M + D + C + C + L + X + V + I.

Calculated values for the components are 1000 + 1000 + 500 + 100 + 100 + 50 + 10 + 5 + 1, which sum to 2766. This form uses no subtractive notation (such as IV or IX); it is a straightforward additive representation.

The value can be viewed as 2000 plus 766, with DCCLXVI representing 766 (500 + 200 + 60 + 6). Thus MMDCCLXVI = 2000 + 766 = 2766.

In usage, such a numeral could denote a year, a model number, or a designation in inscriptions and texts that use Roman numerals. Numbers in the 2000s are often written with two leading M symbols in standard modern practice, though larger numbers (beyond 3999) typically require additional conventions such as overlines.

MMDCCLXVI illustrates common features of Roman numerals: repetition for thousands and hundreds, and additive assembly of remaining values. It demonstrates how a larger number can be parsed into a simple sum of familiar symbols without invoking subtractive pairs.

See also: Roman numerals.