The folowing table expresses '195' in various number bases. 'DRx' shows the result of 'digit reducing' resulting in an X-digit long number.
| Base | DR8 | DR7 | DR6 | DR5 | DR4 | DR3 | DR2 | DR1 |
|---|---|---|---|---|---|---|---|---|
| 2 | 11000011 | 100 | 1 | |||||
| 3 | 21020 | 12,10 | 1 | |||||
| 4 | 3003 | 12 | 3 | |||||
| 5 | 1240 | 12 | 3 | |||||
| 6 | 523 | 14 | 5 | |||||
| 7 | 366 | 21 | 3 | |||||
| 8 | 303 | 6 | ||||||
| 9 | 236 | 12 | 3 | |||||
| 10 | 195 | 15 | 6 | |||||
| 11 | 168 | 14 | 5 | |||||
| 12 | 143 | 8 | ||||||
| 13 | 120 | 3 | ||||||
| 14 | DD,1C | D | ||||||
| 15 | D0 | D | ||||||
| 16 | C3 | F |
Factors: 3 * 5 * 13
195 is in the Pythagorean Triples: (28, 195, 197), (195, 748, 773), (195, 2108, 2117).