The folowing table expresses '68' 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 | 1000100 | 10 | 1 | ||||
| 3 | 2112 | 20 | 2 | ||||
| 4 | 1010 | 2 | |||||
| 5 | 233 | 13 | 4 | ||||
| 6 | 152 | 12 | 3 | ||||
| 7 | 125 | 11 | 2 | ||||
| 8 | 104 | 5 | |||||
| 9 | 75,13 | 4 | |||||
| 10 | 68,14 | 5 | |||||
| 11 | 62 | 8 | |||||
| 12 | 58,11 | 2 | |||||
| 13 | 53 | 8 | |||||
| 14 | 4C,12 | 3 | |||||
| 15 | 48 | C | |||||
| 16 | 44 | 8 |
Factors: 22 * 17
68 is in the Pythagorean Triples: (68, 1155, 1157), (68, 285, 293).
68 is the atomic weight of Erbium (Er).