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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:210AM GHM

Order: 19

Horizontal side: 210 Vertical side: 210

Elements: 7√2, 8√2, 14, 16, 14√2, 16√2, 28, 24√2, 28√2, 40, 48, 40√2, 57, 41√2, 81, 105, 81√2, 129, 105√2.

Code: 1295 0 81 1054 105 105 1053 210 105 244 129 81 80 153 105 571 210 105 160 145 97 161 161 97 282 189 69 817 0 81 810 81 81 404 121 41 403 161 41 283 189 41 142 203 55 143 203 41 72 210 48 483 210 0 414 162 0

The properties below may precede order:side in a tiling's title:

Credit for Discovery

Just three people are credited with the discovery of Primitive Perfects:

Geoffrey H. Morley (GHM, England)

Jasper D. Skinner, II (JDS, United States)

William T. Tutte (WTT, Canada, 1917-2002) (15:44AI, 17:136AJ and 19:56AJ only)

129
105√2
105
24√2
8√2
57
16√2
16
28√2
81
81√2
40√2
40
28
14√2
14
7√2
48
41√2