228

228 is an integer that follows 227 and precedes 229. In mathematics, it is an even composite number with prime factorization 2^2 × 3 × 19. It is divisible by 1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, and 228. It is a Harshad number in base 10 since the sum of its digits is 12 and 228 ÷ 12 = 19. In various representations, 228 is written as CCXXVIII in Roman numerals, 11100100 in binary, and E4 in hexadecimal.

Date-related usage: 228 commonly refers to February 28 (2/28). In Taiwan, the date is associated with the 228 Incident of 1947, a civilian uprising in Taipei that was violently suppressed by authorities, leading to a significant political crisis. The incident is regarded as a turning point in Taiwan's modern history and laid the groundwork for subsequent moves toward democracy. Casualty figures are disputed, with estimates ranging widely.

Commemorations and sites: In Taiwan, the event is commemorated through annual 228 Peace Memorial Day and through dedicated memorial sites such as 228 Peace Memorial Park in Taipei and related museums and programs.

Broader context: Outside of these associations, 228 is primarily recognized as a number and calendar date, used in numeracy, notation, and various catalogs. It does not have a single universal meaning beyond its mathematical properties and its notable historical associations in Taiwan.