The folowing table expresses '63' in various number bases. 'DRx' shows the result of 'digit reducing' resulting in an X-digit long number.
| Base | DR6 | DR5 | DR4 | DR3 | DR2 | DR1 |
|---|---|---|---|---|---|---|
| 2 | 111111 | 110 | 10 | 1 | ||
| 3 | 2100 | 10 | 1 | |||
| 4 | 333 | 21 | 3 | |||
| 5 | 223 | 12 | 3 | |||
| 6 | 143 | 12 | 3 | |||
| 7 | 120 | 3 | ||||
| 8 | 77,16 | 7 | ||||
| 9 | 70 | 7 | ||||
| 10 | 63 | 9 | ||||
| 11 | 58,12 | 3 | ||||
| 12 | 53 | 8 | ||||
| 13 | 4B,12 | 3 | ||||
| 14 | 47 | B | ||||
| 15 | 43 | 7 | ||||
| 16 | 3F,12 | 3 |
Factors: 32 * 7
63 is in the Pythagorean Triples: (16, 63, 65), (63, 1984, 1985).
63 is the atomic weight of Europium (Eu).