The folowing table expresses '70' 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 | 1000110 | 11,10 | 1 | ||||
| 3 | 2121 | 20 | 2 | ||||
| 4 | 1012 | 10 | 1 | ||||
| 5 | 240 | 11 | 2 | ||||
| 6 | 154 | 14 | 5 | ||||
| 7 | 130 | 4 | |||||
| 8 | 106 | 7 | |||||
| 9 | 77,15 | 6 | |||||
| 10 | 70 | 7 | |||||
| 11 | 64 | A | |||||
| 12 | 5A,13 | 4 | |||||
| 13 | 55 | A | |||||
| 14 | 50 | 5 | |||||
| 15 | 4A | E | |||||
| 16 | 46 | A |
Factors: 2 * 5 * 7
A 'Heptacontagon' is a 'regular polygon' with 70 sides.
70 is the atomic weight of Ytterbium (Yb).