- In geometry, a
pyramid is a
polyhedron formed by
connecting a
polygonal base and a point,
called the apex. Each base edge and apex form a triangle, called...
-
refactorable number. a
primitive semiperfect number. an
untouchable number. a
hexadecagonal number. an Erdős–Woods number,
since it is
possible to find sequences...
-
representation of
languages 640 = 27 × 5,
Harshad number,
refactorable number,
hexadecagonal number,
number of 1's in all
partitions of 24 into odd parts, number...
-
octadecahedra are the
heptadecagonal pyramid,
hexadecagonal prism, and the
octagonal antiprism. The
hexadecagonal prism and the
octagonal antiprism are uniform...
-
palindromic in base 9: 408049 27000 = 303 27405 =
heptagonal number,
hexadecagonal number, 48-gonal number, 80-gonal number,
smallest integer that is polygonal...
- by
Miksa Róth. One of the most
famous parts of the
building is the
hexadecagonal (sixteen-sided)
central hall, with huge
chambers adjoining it: the Lower...
-
pindika may be circular, square, octagonal, hexagonal, duodecagonal,
hexadecagonal, elliptical,
triangular or
another shape. Some
lingams are miniaturized...
- number. Forty-five is also the
fourth hexagonal number and the
second hexadecagonal number, or 16-gonal number. It is also the
second smallest triangle...
-
topologically distinct forms of a heptadecahedron; for example, the
hexadecagonal pyramid and
pentadecagonal prism. The
infinite Laves graph has convex...
-
orthobicupola Square gyrobicupola Disphenocingulum Snub
square antiprism 17
Hexadecagonal pyramid Pentadecagonal bipyramid 18
Nonagonal prism Enneagonal antiprism...