227

227 is a natural number that follows 226 and precedes 228. It appears in counting, labeling, and various numerical systems as a distinct value used in everyday arithmetic and data organization.

In mathematics, 227 is a prime number. It is odd, and it is also a safe prime, since (227 − 1)/2 = 113 is prime. The number has several standard base representations: in binary it is 11100011, in octal 343, in hexadecimal E3, and in Roman numerals CCXXVII.

As a numeral, 227 can be read and written in multiple cultural and historical contexts. Its Roman form is CCXXVII, reflecting its place in ancient and classical numbering systems used for inscriptions and documents.

227 has notable presence in popular culture. It is the title of an American television sitcom that aired on NBC from 1985 to 1990. The show centers on residents of a Washington, D.C. apartment building and features Marla Gibbs in a leading role as Mary Jenkins. The series is recognized for its ensemble cast and its portrayal of urban life with humor and warmth.

Beyond mathematics and media, 227 serves as a numeric identifier in various catalogs and reference lists. As a prime and safe prime, it is occasionally noted in discussions of number theory, while its cultural footprint remains most strongly associated with the 1980s sitcom.