Pentagonal Pyramidal Number: Figurate Number, Pentagonal, Triangular Number

Pentagonal Number: Figurate Number, Triangular Square Pentagon, Rotational Symmetry

Centered Pentagonal Number: Polygonal Number, Figurate Pentagon, Number

Pentatope Number: Pascal's Triangle, Figurate Number, Pentagonal Number

Fermat Polygonal Number Theorem: Gonal Number, Triangular Square Pentagonal