Meanings
nounCullen number (plural Cullen numbers)
plural Cullen numbers
- mathematicsA natural number of the form n·2ⁿ+1.
Origin
First studied by James Cullen in 1905.
Full word history & related roots →Cite this entry
APA
Cullen number. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Cullen%20number
MLA
“Cullen number.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Cullen%20number. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “Cullen number,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Cullen%20number.
Source: Cullen number on Wiktionary, CC BY-SA 4.0.