On this Wikipedia the language links are at the top of the page across from the article title. Look up 14 days of love valentine ideas in Wiktionary, the free dictionary.

This disambiguation page lists articles associated with the same number. If an internal link led you here, you may wish to change the link to point directly to the intended article. On this Wikipedia the language links are at the top of the page across from the article title. Look up fourteen in Wiktionary, the free dictionary. Fourteen is the seventh composite number. A set of real numbers to which it is applied closure and complement operations in any possible sequence generates 14 distinct sets. 14 is the first stella octangula number, and the second square pyramidal number.

14 is also the fourth Companion Pell number, and the fifth Catalan number. There are fourteen polygons that can fill a plane-vertex tiling, where five polygons tile the plane uniformly, and nine others only tile the plane alongside irregular polygons. The truncated octahedron contains 14 faces, is the permutohedron of order four, and the only Archimedean solid to tessellate space. The Szilassi polyhedron and its dual, the Császár polyhedron, are the simplest toroidal polyhedra.

They have 14 vertices and 14 triangular faces, respectively. Steffen’s polyhedron, the simplest flexible polyhedron without self-crossings, has 14 triangular faces. There are fourteen possible Bravais lattices that fill three-dimensional space. Group 14 elements in the periodic table. Messier object M14, a magnitude 9.