The folowing table expresses '12' in various number bases. 'DR_{x}' shows the result of 'digit reducing' resulting in an X-digit long number.

Base | DR_{4} | DR_{3} | DR_{2} | DR_{1} |
---|---|---|---|---|

2 | 1100 | 10 | 1 | |

3 | 110 | 2 | ||

4 | 30 | 3 | ||

5 | 22 | 4 | ||

6 | 20 | 2 | ||

7 | 15 | 6 | ||

8 | 14 | 5 | ||

9 | 13 | 4 | ||

10 | 12 | 3 | ||

11 | 11 | 2 | ||

12 | 10 | 1 | ||

13 | C | |||

14 | C | |||

15 | C | |||

16 | C |

Factors: 2^{2} * 3

12 is in the Pythagorean Triples: (5, 12, 13), (12, 35, 37).

12 is the number of edges in a Cube/Hexahedron.

12 is the number of edges in a Octahedron.

12 is the number of faces in a Dodecahedron.

12 is the number of vertices in a Icosahedron.

A 'Dodecagon' is a 'regular polygon' with 12 sides.

12 is the atomic weight of Magnesium (Mg).

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