89 (number)
89 (eighty-nine) is the natural number following 88 and preceding 90.
In mathematics
89 is:
* the 24th prime number, following 83 and preceding 97.
* a Chen prime.
* a Pythagorean prime.
* the smallest Sophie Germain prime to start a Cunnin ...
* Atomic number 89:
actinium
Actinium is a chemical element with the symbol Ac and atomic number 89. It was first isolated by Friedrich Oskar Giesel in 1902, who gave it the name ''emanium''; the element got its name by being wrongly identified with a substance And ...
Years
*
89 BC
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Year 89 BC was a year of the pre-Julian Roman calendar. At the time it was known as the Year of the Consulship of Strabo and Cato (or, less frequently, year 665 ''Ab urbe condita'') and the Fourth Year of Zhenghe. The denomination 89 ...
*
AD 89
AD 89 (LXXXIX) was a common year starting on Thursday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Fulvus and Atratinus (or, less frequently, year 842 ''Ab urbe condit ...
*
1989
File:1989 Events Collage.png, From left, clockwise: The Cypress Street Viaduct, Cypress structure collapses as a result of the 1989 Loma Prieta earthquake, killing motorists below; The proposal document for the World Wide Web is submitted; The Exxo ...
*
2089
In contemporary history, the third millennium of the anno Domini or Common Era in the Gregorian calendar is the current millennium spanning the years 2001 to 3000 ( 21st to 30th centuries). Ongoing futures studies seek to understand what is l ...
* etc.
See also
*
*
List of highways numbered
A ''list'' is any set of items in a row. List or lists may also refer to:
People
* List (surname)
Organizations
* List College, an undergraduate division of the Jewish Theological Seminary of America
* SC Germania List, German rugby union ...