The folowing table expresses '66' in various number bases. 'DRx' shows the result of 'digit reducing' resulting in an X-digit long number.
Base | DR7 | DR6 | DR5 | DR4 | DR3 | DR2 | DR1 |
---|---|---|---|---|---|---|---|
2 | 1000010 | 10 | 1 | ||||
3 | 2110 | 11 | 2 | ||||
4 | 1002 | 3 | |||||
5 | 231 | 11 | 2 | ||||
6 | 150 | 10 | 1 | ||||
7 | 123 | 6 | |||||
8 | 102 | 3 | |||||
9 | 73,11 | 2 | |||||
10 | 66,12 | 3 | |||||
11 | 60 | 6 | |||||
12 | 56 | B | |||||
13 | 51 | 6 | |||||
14 | 4A,10 | 1 | |||||
15 | 46 | A | |||||
16 | 42 | 6 |
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').
66 is the atomic weight of Dysprosium (Dy).