nonagonal number

Summary

nonagonal number is a type of integer^[1]. It draws 16 Wikipedia views per month (type_of_integer category, ranking #41 of 70).^[2]

Key Facts

• nonagonal number's instance of is recorded as type of integer^[3].
• nonagonal number's follows is recorded as octagonal number^[4].
• nonagonal number's followed by is recorded as decagonal number^[5].
• nonagonal number's subclass of is recorded as polygonal number^[6].
• nonagonal number's Freebase ID is recorded as /m/03p1tp^[7].
• nonagonal number's OEIS ID is recorded as A001106^[8].
• nonagonal number's defining formula is recorded as {\frac {7n^{2}-5n}{2}}^[9].
• nonagonal number's MathWorld ID is recorded as NonagonalNumber^[10].
• nonagonal number's maintained by WikiProject is recorded as WikiProject Mathematics^[11].

Why It Matters

nonagonal number draws 16 Wikipedia views per month (type_of_integer category, ranking #41 of 70).^[2] It has Wikipedia articles in 12 language editions, a strong signal of global cultural recognition.^[12] It is known by 4 alternative names across languages and contexts.^[13]