成人快手

Another Five Numbers

Kepler's Conjecture

Is the 'face-centred cubic lattice' the most efficient way of stacking spheres?

• 14 mins

A Further Five Numbers

One - The most popular number

One is the most popular number, as it appears more often than any other number.

• 14 mins

A Further Five Numbers

Two - At the double

Doubling is a form of exponential growth, which appears in population growth and inflation

• 14 mins

A Further Five Numbers

Six degrees of separation

Six is often treated as 2x3, but has many characteristics of its own.

• 14 mins

A Further Five Numbers

G - The number that defines the universe

Newton's equation of gravity includes a number G, indicating the strength of gravitation.

• 14 mins

A Further Five Numbers

1729 - The first taxicab number

1729 is the smallest number you can write as the sum of two cubes, in two different ways.

• 14 mins