1+2+3+4+5+6+7=28
The 7 tetractys is the cosmic tetractys which is the infinite tetrahedron grid which is the infinite dimensional E8 lie group fractal which is the 120-cell
1/7=142857=enneagram:
7 tetractys:
The 7 tetractys is made out of 21 triangles
21=777=tetragrammaton=god=9
Cosmic tetractys:
Enneagram=(star tetrahedron)=(tree of life(E8xE8))=tetragrammaton=tetractys=(120-cell)=(infinite star dodecahedron fractal)=(infinite tetrahedron grid)=(infinite dimensional E8 lie group fractal)