9 relations: Binary icosahedral group, I2, Kosmos-2I, List of Kosmos satellites (1–250), List of Nintendo DS and 3DS flash cartridges, Polikarpov DI-1, Quater-imaginary base, The 2i's Coffee Bar, U.S. Route 97 in Washington.
In mathematics, the binary icosahedral group 2I or is a certain nonabelian group of order 120.
i2, I-2, I 2 or I2 may refer to.
Kosmos-2I (GRAU Index: 11K63, also known as Cosmos-2I) is the designation applied to two Soviet carrier rockets, members of the R-12 Kosmos (rocket family), which were used to orbit satellites between 1961 and 1977.
The designation Kosmos (Космос meaning Cosmos) is a generic name given to a large number of Soviet, and subsequently Russian, satellites, the first of which was launched in 1962.
Nintendo DS and 3DS storage devices are used to store a licensed developer's work-in-progress images, homebrew video games, and downloaded commercial games (since the Nintendo DS is not sold with a rewritable storage medium).
Polikarpov DI-1 (also known as 2I-N1, Поликарпов ДИ-1 (2И-Н1)) was a prototype Soviet two-seat fighter designed during the 1920s.
The quater-imaginary numeral system was first proposed by Donald Knuth in 1960.
The 2i's Coffee Bar was a Coffeehouse on Old Compton Street in Soho, London, that was open from 1956 to 1970.
In the U.S. state of Washington, U.S. Route 97 (US 97) is a route which traverses from the Oregon state line at the northern end of the Sam Hill Memorial Bridge in Maryhill, north to the Canada–US border in Okanogan County near Oroville.