bn:15751315n
Noun Concept
Categories: Figurate numbers
EN
pyramidal number  heptagonal pyramidal number  Hexagonal pyramidal number  pentagonal pyramidal number  pyramidal numbers
EN
A pyramidal number is a figurate number that represents a pyramid with a polygonal base and a given number of triangular sides. Wikipedia
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EN
A pyramidal number is a figurate number that represents a pyramid with a polygonal base and a given number of triangular sides. Wikipedia
Figurate number Wikidata
A number that represents the number of items in a pyramid having a given number of sides and layers. Wiktionary
Type of number. Wiktionary (translation)