polygonal number

References

Images

Diagram showing four types of polygonal numbers with colored dots arranged in geometric patterns: blue triangles for triangular numbers, green squares for square numbers, red pentagons for pentagonal numbers, and purple hexagons for hexagonal numbers, each illustrating how numbers like 1, 3, 6, 10, 4, 9, 16, 5, 12, 22, 6, 15, and 28 can be visually represented.

Figure 1: Polygonal arrays.

polygonal number: Media

Images

Diagram showing four types of polygonal numbers with colored dots arranged in geometric patterns: blue triangles for triangular numbers, green squares for square numbers, red pentagons for pentagonal numbers, and purple hexagons for hexagonal numbers, each illustrating how numbers like 1, 3, 6, 10, 4, 9, 16, 5, 12, 22, 6, 15, and 28 can be visually represented.

Polygonal numbers

The ancient Greeks generally thought of numbers in concrete terms, particularly as...

Encyclopædia Britannica, Inc.

Figure 1: Polygonal arrays.

Figure 1: Polygonal arrays.

Encyclopædia Britannica, Inc.