The folowing table expresses '145' 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 | 10010001 | 11,10 | 1 | |||||
| 3 | 12101 | 12,10 | 1 | |||||
| 4 | 2101 | 10 | 1 | |||||
| 5 | 1040 | 10 | 1 | |||||
| 6 | 401 | 5 | ||||||
| 7 | 265 | 16,10 | 1 | |||||
| 8 | 221 | 5 | ||||||
| 9 | 171 | 10 | 1 | |||||
| 10 | 145 | 10 | 1 | |||||
| 11 | 122 | 5 | ||||||
| 12 | 101 | 2 | ||||||
| 13 | B2,10 | 1 | ||||||
| 14 | A5,11 | 2 | ||||||
| 15 | 9A,14 | 5 | ||||||
| 16 | 91 | A |
Factors: 5 * 29
145 is in the Pythagorean Triples: (24, 143, 145), (17, 144, 145), (145, 408, 433).