The folowing table expresses '105' 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 | 1101001 | 100 | 1 | ||||
| 3 | 10220 | 12,10 | 1 | ||||
| 4 | 1221 | 12 | 3 | ||||
| 5 | 410 | 10 | 1 | ||||
| 6 | 253 | 14 | 5 | ||||
| 7 | 210 | 3 | |||||
| 8 | 151 | 7 | |||||
| 9 | 126 | 10 | 1 | ||||
| 10 | 105 | 6 | |||||
| 11 | 96,14 | 5 | |||||
| 12 | 89,15 | 6 | |||||
| 13 | 81 | 9 | |||||
| 14 | 77,10 | 1 | |||||
| 15 | 70 | 7 | |||||
| 16 | 69 | F |
Factors: 3 * 5 * 7
105 is in the Pythagorean Triples: (105, 608, 617), (88, 105, 137), (105, 208, 233).
105 is the sum of the counting numbers from 1 to 14 (See 'The Sum/Product of the First N Counting Numbers').
105 is the atomic weight of Dubnium (Db).