The folowing table expresses '245' 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 | 11110101 | 110 | 10 | 1 | ||||
| 3 | 100002 | 10 | 1 | |||||
| 4 | 3311 | 20 | 2 | |||||
| 5 | 1440 | 14,10 | 1 | |||||
| 6 | 1045 | 14 | 5 | |||||
| 7 | 500 | 5 | ||||||
| 8 | 365 | 16 | 7 | |||||
| 9 | 302 | 5 | ||||||
| 10 | 245 | 11 | 2 | |||||
| 11 | 203 | 5 | ||||||
| 12 | 185 | 12 | 3 | |||||
| 13 | 15B | 14 | 5 | |||||
| 14 | 137 | B | ||||||
| 15 | 115 | 7 | ||||||
| 16 | F5,14 | 5 |
Factors: 5 * 72
245 is in the Pythagorean Triple: (245, 1188, 1213).