Numeric Value: 10

The folowing table expresses '10' in various number bases. 'DR_x' shows the result of 'digit reducing' resulting in an X-digit long number.

Base	DR₄	DR₃	DR₂	DR₁
2	1010		10	1
3		101		2
4			22,10	1
5			20	2
6			14	5
7			13	4
8			12	3
9			11	2
10			10	1
11				A
12				A
13				A
14				A
15				A
16				A

Math World

Factors: 2 * 5

A 'Decagon' is a 'regular polygon' with 10 sides.