English
superperfect
From super- + perfect, coined by Suryanarayana in 1969.
Proto-Indo-European *dʰeh₁k-
…
Latin perficiō ‘to finish’
Latin perfectus ‘finished, complete’
Old French parfit
Middle English perfit
English perfect
The story
From super- + perfect, coined by Suryanarayana in 1969.
Today it means
adj Being or relating to a class of positive integers satisfying σ²(n)=σ(σ(n))=2n,, where σ is the divisor function. They are a generalization of perfect numbers.
Sources
Sources: Wiktionary, “superperfect”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.
Etymograph / superperfect