A rectangular prism (cuboid) and a hexagon-based pyramid, for example, both have 12 edges.
Of the five Platonic solids, an octahedron and a cube each have 12 edges.
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no numbers have the same number of edges and vertices
A cube and a regular octahedron have the same number of edges, vertices, and faces. Both have 12 edges, 8 vertices, and 6 faces.
10 number of faces +2 gives you the number of edges
there is 2
4^2-1^2 or 16-1