superfactorial

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noun

A product of factorials, such that the superfactorial of a number n is 1! × 2! × 3! × ... × n!.

Scrabble 21
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Meanings

nounsuperfactorial (plural superfactorials)

plural superfactorials

  1. mathematicsA product of factorials, such that the superfactorial of a number n is 1! × 2! × 3! × ... × n!.

Origin

Coined by Neil Sloane and Simon Plouffe in 1995, from super- + factorial.

Full word history & related roots →
Cite this entry
APA

superfactorial. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/superfactorial

MLA

“superfactorial.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/superfactorial. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “superfactorial,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/superfactorial.

Source: superfactorial on Wiktionary, CC BY-SA 4.0.