Acronym	mardatathi
Name	medial retroditetrahedral triakishecatonicosachoron
Cross sections	©
Circumradius	sqrt(2) = 1.414214
General of army	hi
Colonel of regiment	dattady
Face vector	600, 3600, 4080, 360
Confer	datcathi
External links

As abstract polytope mardatathi is isomorphic to ridatathi, thereby interchanging pentagrams and pentagons, resp. replacing gissid by doe and gidtid by sidtid.

Incidence matrix

600 |   12 |    6   12   12 |   4   6   4
----+------+----------------+------------
  2 | 3600 |    1    2    2 |   1   2   2
----+------+----------------+------------
  3 |    3 | 1200    *    * |   0   0   2
  5 |    5 |    * 1440    * |   0   1   1  {5}
  5 |    5 |    *    * 1440 |   1   1   0  {5/2}
----+------+----------------+------------
 20 |   30 |    0    0   12 | 120   *   *  gissid
 30 |   60 |    0   12   12 |   * 120   *  did
 20 |   60 |   20   12    0 |   *   * 120  gidtid