Acronym	radah
Name	retrodishexadecateron
Field of sections	©
Circumradius	sqrt(5/8) = 0.790569
Vertex figure	©
Coordinates	(1/sqrt(8), 1/sqrt(8), 1/sqrt(8), 1/sqrt(8), 1/sqrt(8))   & all even permutations, all even changes of sign
Colonel of regiment	hin
Face vector	16, 80, 220, 160, 32
External links

Incidence matrix

16 ♦ 10 |  30 15 | 20 30 | 10  5
---+----+--------+-------+------
 2 | 80 |   6  3 |  6  9 |  6  2
---+----+--------+-------+------
 3 |  3 | 160  * |  2  1 |  2  1
 4 |  4 |   * 60 |  0  4 |  4  0
---+----+--------+-------+------
 4 |  6 |   4  0 | 80  * |  1  1  (tet)
 6 |  9 |   2  3 |  * 80 |  2  0  (trip)
---+----+--------+-------+------
10 | 30 |  20 15 |  5 10 | 16  *  (firp)
 5 | 10 |  10  0 |  5  0 |  * 16  (pen)