CXCI

CXCI is a Roman numeral representing the number 191. It is formed by the symbols C, X, C, and I in that order, corresponding to 100 + (90) + 1. The middle part, XC, uses subtractive notation to indicate 90, which is ten less than 100. This combination follows the standard rules of Roman numerals, where the values are generally arranged from largest to smallest, with subtractive pairs used to avoid four-character repetitions.

In historical contexts, CXCI would appear in inscriptions, dates, and enumerations as a representation of the year, age, or sequence number. In modern usage, Roman numerals including CXCI are often employed for stylistic or formal purposes, such as numbering chapters, monarchs or popes, movie sequels, clock faces, or decorative year markings. While the widely used Arabic numeral system is standard for most arithmetic and everyday counting, Roman numerals persist in specific stylistic or traditional contexts.

CXCI does not denote a separate concept beyond its numeric value; it is simply the Roman numeral form of 191. In digital and cataloging contexts, CXCI may appear as an identifier or label when Roman numerals are used for stylistic reasons or to preserve historical authenticity.

See also: Roman numerals, List of Roman numerals.