The folowing table expresses '180' 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 | 10110100 | 100 | 1 | |||||
| 3 | 20200 | 11 | 2 | |||||
| 4 | 2310 | 12 | 3 | |||||
| 5 | 1210 | 4 | ||||||
| 6 | 500 | 5 | ||||||
| 7 | 345 | 15 | 6 | |||||
| 8 | 264 | 14 | 5 | |||||
| 9 | 220 | 4 | ||||||
| 10 | 180 | 9 | ||||||
| 11 | 154 | A | ||||||
| 12 | 130 | 4 | ||||||
| 13 | 10B | C | ||||||
| 14 | CC,1A | B | ||||||
| 15 | C0 | C | ||||||
| 16 | B4 | F |
Factors: 22 * 32 * 5
180 is in the Pythagorean Triples: (19, 180, 181), (180, 2021, 2029), (180, 299, 349).