How to use in-sentence of “Even number”:
+ An atom is composed of bosons if it has an even number of electrons.
+ Giraffes have an even number of toes and are the tallest land animals.
+ With an even number of values, as there is no single number which divides all of the numbers to two halves, the median is defined as the mean of the two central elements.
+ In mathematics, the number eight is an even number and a composite number.
+ If there is an even number of data, there will not be a number right in the middle, so we choose the two middle ones and calculate their mean.
+ The octahedron is unique among the Platonic solids in having an even number of faces meeting at each vertex.
+ They have an even number of toes: two or four.
+ For instance, if Goldbach’s conjecture is true but unprovable, then it is impossible to correctly round down 0.5 + 10 where n is the first even number greater than 4 which is not the sum of two primes, or 0.5 if there is no such number.

