EightyEight

Eightyeight, written as 88, is the natural number that comes after 87 and before 89. It is an even composite number, and its prime factorization is 2^3 × 11.

As a numeral, 88 has various representations in different bases: binary 1011000, octal 130, and hexadecimal 58. In mathematics, the sum of its proper divisors is 92, which makes 88 an abundant number. Its divisors are 1, 2, 4, 8, 11, 22, 44, and 88.

The number has cultural and practical associations. In Chinese culture, the digit 8 is considered lucky, and 88 is often viewed as especially auspicious, frequently appearing in marketing and branding to convey prosperity. The phrase “88 keys” is commonly cited in reference to a standard piano keyboard, which has 88 keys. In computing, the ASCII code for the uppercase letter X is 88. The atomic number 88 corresponds to radium (Ra), a radioactive element discovered by the Curies.

Historically, 88 is used to denote years such as 1888 or 1988; in Roman numerals, 88 is written as LXXXVIII. In popular culture, the number 88 has appeared in various contexts across music, sports, and media, but its meaning is typically context-dependent.