When ± ROOTS of Sums of Squares consist of exact values, they cover:-

• Multiples of 5 – visualised on Roots as Diagonals
• Primes:
  • 13: 8 x 8 [2×4 x 2×4]
  • 17: 8 x 8 [2×4 x 2×4]
  • 37: 24 x 24 [6×4 x 6×4]
  • 41: 32 x 32 [8×4 x 8×4]
  • 53: 18 x 18 [6×3 x 6×3]
  • 61: 50 x 50 [2×5² x 2×5²]
  • 73: 8 x 8 [2×4 x 2×4]
  • 89: 42 x 42 [6×7 x 6×7]
  • 97: 8 x 8 [2×4 x 2×4]

• and Non-Primes:
  • 39 [3 x 13]
  • 51 [3 x 17]
  • 87 [3 x 19]

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