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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:139AN GHM

Order: 19

Horizontal side: 139 Vertical side: 139

Elements: 2√2, 4, 4√2, 8, 8√2, 11√2, 17, 14√2, 22, 17√2, 28, 22√2, 39, 28√2, 39√2, 50√2, 78, 61√2, 100.

Code: 1007 0 139 783 100 61 392 139 100 391 139 139 506 89 50 226 0 39 285 22 33 284 50 33 610 78 61 114 89 50 225 0 17 82 30 25 144 36 19 83 30 17 42 34 21 43 34 17 22 36 19 175 0 0 174 17 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)

100
78
39√2
39
50√2
22√2
28
28√2
61√2
11√2
22
8√2
14√2
8
4√2
4
2√2
17
17√2