Numeric Value: 66

The folowing table expresses '66' in various number bases. 'DRx' shows the result of 'digit reducing' resulting in an X-digit long number.

BaseDR7DR6DR5DR4DR3DR2DR1
21000010    101
3   2110 112
4   1002  3
5    231112
6    150101
7    123 6
8    102 3
9     73,112
10     66,123
11     606
12     56B
13     516
14     4A,101
15     46A
16     426

Math World

Factors: 2 * 3 * 11

66 is the sum of the counting numbers from 1 to 11 (See 'The Sum/Product of the First N Counting Numbers').

Physical World

66 is the atomic weight of Dysprosium (Dy).