- Six is the smallest perfect number as it is equal to the sum of its proper divisors (1 , 2 and 3).
- Six is the only number that is both the sum and the product of three consecutive positive numbers.
Also:
- A hexagon has 6 sides
- A tetrahedron has 6 edges
- An octahedron and a tetrahemihexahedron have 6 vertices
- A truncated cube, a small cubicuboctahedron, a cubitruncated cuboctahedron, and small rhombihexahedron have 6 octagons
- A cube, a truncated octahedron, a cuboctahedron, a snub cube, a small cubicuboctahedron, a great cubicuboctahedron, and a cubohemioctahedron have 6 squares
- A great cubicuboctahedron, a cubitruncated cuboctahedron, a quasitruncated hexahedron, a quasitruncated cuboctahedron, and a great rhombihexahedron have 6 octagrams
- A small icosahemidodecahedron and a small dodecahemidodecahedron have 6 decagons
- A great icosahemidodecahedron and a great dodecahemidodecahedron have 6 decagrams
- 6 is the factorial of 3 (3! = 6)
- 6 is a triangular number
- 6 is a hexagonal number
- 6 is an octahedral number
- 6 is a palindromic number
- 6 is a pronic number.
Δεν υπάρχουν σχόλια:
Δημοσίευση σχολίου