26 (number)

26 (twenty-six) is the natural number following 25 and preceding 27.

In mathematics

26 is the only integer that is one greater than a square (5² + 1) and one less than a cube (3³ − 1).

A rhombicuboctahedron has twenty-six faces.

When a 3 × 3 × 3 cube is made of twenty-seven unit cubes, twenty-six of them are viewable as the exterior layer.

There are 26 sporadic groups.

Properties of its positional representation in certain radixes

Twenty-six is a repdigit in base three (222₃) and in base twelve (22₁₂).

In base ten, 26 is the smallest number that is not a palindrome to have a square (26² = 676) that is a palindrome.

In science

Astronomy

In religion