Specific uses. Arithmetic and Algebra. (a) Made up by combination of several elements, as †compound decimal n. one consisting of a whole number and…

Without curvature or projection of surface. those corresponding to plane surfaces, i.e. numbers composed of two factors.

concrete. A composite number. Obsolete.

A figurate number. a number consisting of factors; esp. an integral power of any number. equilater figurate n. a square number. Cf. A. 3a. Obsolete.

= plane number n. at plane, adj. compounds 1.

a number formed by the multiplication of two (prime) factors, and therefore capable of being represented by a plane (rectangular) figure whose…

Mathematics. a number which is the product of two or more factors, greater than unity.