Numeric Value: 10

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

BaseDR4DR3DR2DR1
21010 101
3 101 2
4  22,101
5  202
6  145
7  134
8  123
9  112
10  101
11   A
12   A
13   A
14   A
15   A
16   A

Math World

Factors: 2 * 5

10 is the sum of the counting numbers from 1 to 4 (See 'The Sum/Product of the First N Counting Numbers').

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

Physical World

10 is the atomic weight of Neon (Ne).