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).