147 may refer to: *

147 (number) 147 (one hundred ndforty-seven) is the natural number following 146 and preceding 148. In mathematics 147 is the fourth centered icosahedral number. These are a class of figurate numbers that represent points in the shape of a regular icosahed ...

, a natural number * AD 147, a year of the Julian calendar, in the second century *

147 BC __NOTOC__ Year 147 BC was a year of the pre-Julian Roman calendar. At the time it was known as the Year of the Consulship of Aemilianus and Drusus (or, less frequently, year 607 ''Ab urbe condita''). The denomination 147 BC for this year has bee ...

, a year of the pre-Julian Roman calendar * 147 AH, a year in the Islamic calendar that corresponds to 764 –

765 __NOTOC__ Year 765 (Roman numerals, DCCLXV) was a common year starting on Tuesday (link will display the full calendar) of the Julian calendar. The denomination 765 for this year has been used since the early medieval period, when the Anno Domi ...

In the military

* BQM-147 Dragon unmanned aerial vehicle, a tactical battlefield UAV operated by the US Marine Corps * Ryan Model 147 Lightning Bug was a drone, or unmanned aerial vehicle during the 1960s * was a United States Navy Admirable-class minesweeper during World War II * was a United States Navy Edsall-class destroyer escort during World War II * was a United States Navy Haskell-class attack transport during World War II * was a United States Navy ''General G. O. Squier''-class transport ship during World War II * was a United States Navy Wickes-class destroyer during World War II * was a United States Navy ''Neosho''-class fleet oiler of the United States Navy during the Six-Day War

Science and medicine

* 147 Protogeneia, a large main belt asteroid with a low eccentricity and low inclination * NGC 147, a Dwarf spheroidal galaxy about 2.58 million light-years away in the constellation Cassiopeia * Promethium-147, an isotope of promethium with a half-life of 2.62 years * JWH-147 is an analgesic drug used in scientific research, which acts as a cannabinoid agonist at both the CB₁ and CB₂ receptors

In snooker

* The

maximum break A maximum break (also known as a maximum, a 147, or orally, a one-four-seven) is the highest possible in a single of snoo