Acronym	ridatathi
Name	retroinverted ditetrahedral 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 ridatathi is isomorphic to mardatathi, thereby interchanging pentagrams and pentagons, resp. replacing doe by gissid and sidtid by gidtid.

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  {5/2}
  5 |    5 |    *    * 1440 |   1   1   0  {5}
----+------+----------------+------------
 20 |   30 |    0    0   12 | 120   *   *  doe
 30 |   60 |    0   12   12 |   * 120   *  did
 20 |   60 |   20   12    0 |   *   * 120  sidtid