Great demiprismated icosiheptaheptacontadipeton
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Great demiprismated icosiheptaheptacontadipeton | |
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Rank | 6 |
Type | Uniform |
Notation | |
Bowers style acronym | Ghopjak |
Coxeter diagram | x3x3x3x3o *c3o () |
Elements | |
Peta | 72 great prismated hexatera 27 great prismatodemipenteracts 216 decachoric prisms 27 great rhombidemipenteracts |
Tera | 432 great prismatodecachora 216+432 great rhombated pentachora 720 triangular-hexagonal duoprisms 1080+1080 truncated tetrahedral prisms 270 truncated hexadecachora 432 decachora |
Cells | 1080+2160 truncated octahedra 2160+4320 hexagonal prisms 2160+2160+2160 triangular prisms 1080+2160+2160 truncated tetrahedra |
Faces | 2160+4320+8640 hexagons, 6480+6480+6480 squares, 4320+4320 triangles |
Edges | 6480+6480+12960+12960 |
Vertices | 12960 |
Vertex figure | Irregular hexateron |
Measures (edge length 1) | |
Circumradius | |
Hypervolume | |
Central density | 1 |
Number of external pieces | 342 |
Related polytopes | |
Army | Ghopjak |
Regiment | Ghopjak |
Conjugate | None |
Abstract & topological properties | |
Flag count | 9331200 |
Euler characteristic | 0 |
Orientable | Yes |
Properties | |
Symmetry | E6, order 51840 |
Convex | Yes |
Nature | Tame |
The great demiprismated icosiheptaheptacontadipeton or ghopjak, also called the demiruncicantitruncated 221 polytope, is a convex uniform polypeton. It consists of 27 great prismated demipenteracts, 27 great rhombated demipenteracts, 72 great prismated hexatera, and 216 decachoric prisms. 2 great prismated demipenteracts, 1 great rhombated demipenteract, 2 great prismated hexatera, and 1 decachoric prism join at each vertex.
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