219 (number)
Encyclopedia
219 is the natural number
following 218
and preceding 220
.
Natural number
In mathematics, the natural numbers are the ordinary whole numbers used for counting and ordering . These purposes are related to the linguistic notions of cardinal and ordinal numbers, respectively...
following 218
218 (number)
218 is the natural number following 217 and preceding 219.*Mertens function = 3, a record high.*218 is both nontotient and noncototient....
and preceding 220
220 (number)
220 is the natural number following 219 and preceding 221.-In mathematics:It is a composite number, with its divisors being 1, 2, 4, 5, 10, 11, 20, 22, 44, 55 and 110, making it an amicable number with 284...
.
Mathematics
- Mertens function(219) = 4, a record high.
- There are 219 partially ordered setPartially ordered setIn mathematics, especially order theory, a partially ordered set formalizes and generalizes the intuitive concept of an ordering, sequencing, or arrangement of the elements of a set. A poset consists of a set together with a binary relation that indicates that, for certain pairs of elements in the...
s on four labeled elements. - 219 is the smallest number that can be represented as a sum of four positive cubes in two different ways.
- There are 219 different space groupSpace groupIn mathematics and geometry, a space group is a symmetry group, usually for three dimensions, that divides space into discrete repeatable domains.In three dimensions, there are 219 unique types, or counted as 230 if chiral copies are considered distinct...
s, discrete and full-dimensional sets of symmetries of three-dimensional space or of crystal structures.
See also
- .219 Zipper.219 ZipperThe .219 Zipper cartridge was created by Winchester Repeating Arms in 1937 to be used in their lever-action Model 64 rifle. It is a .25-35 Winchester cartridge necked down to a .22 caliber bullet...
, a rifle cartridge - 219 Days219 Days219 Days is the debut album of Canadian Idol winner Kalan Porter. The album was released on November 23, 2004 through Sony Music Canada. The album title refers to the number of days from his first audition to the release of his debut CD...
, a music album - Case 219Case 219Case 219 is a 2010 American Drama film starring Evan Ross, Leven Rambin, and Taylor Nichols, and Harold Perrineau. The film was written and directed by James Bruce and is based on the Walter Dean Myers novel Shooter.-Plot:...
, a film - Substation 219Substation 219Substation 219, also known as Harlem Substation, is a historic electrical substation located in Harlem, New York, New York. It was constructed by the Interborough Rapid Transit Company in 1932 to provide power to the IND Eighth Avenue Line. It is a single story, double height masonry building in...
, a historic building in Harlem, New York - List of highways numbered 219