University of Chicago
What is so odd about odd numbers?
Humans constantly find beauty in symmetry. The scientific community initially scoffed at mathematician George David Birkhoff in the early twentieth century when he claimed that people naturally find simple art most appealing when it has symmetrical features. More recently, scientific research has supported Birkhoff’s theories, with Karl Grammer and Randy Thornhill famously positing that “men would prefer averageness and symmetry in women's faces, and that women would prefer averageness and symmetry in men's faces,” in their 1983 piece in the Journal of Comparative Psychology. Once Grammer and Thornhill popularized theories of correlation between symmetry and beauty in sexual attraction, the theory expanded into other realms of society such as beauty in nature and music. Humans have evolved with biological programming to seek out symmetry for sensual beauty. Hence, the asymmetrical nature of odd numbers has condemned them to being called “odd.”
How can a number be symmetrical? Of course, thinking about numbers in the traditional, visual sense only yields symmetry for 0, 3, and 8. Yet, approached mathematically, numbers have a far greater meaning than their mere physical appearance. Webster’s Third defines symmetry as “beauty of...
Join Now to View Premium Content
GradeSaver provides access to 893 study guide PDFs and quizzes, 7018 literature essays, 1932 sample college application essays, 289 lesson plans, and ad-free surfing in this premium content, “Members Only” section of the site! Membership includes a 10% discount on all editing orders.
Already a member? Log in