The folowing table expresses '205' 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 | 11001101 | 101 | 10 | 1 | ||||
3 | 21121 | 21,10 | 1 | |||||
4 | 3031 | 13,10 | 1 | |||||
5 | 1310 | 10 | 1 | |||||
6 | 541 | 14 | 5 | |||||
7 | 412 | 10 | 1 | |||||
8 | 315 | 11 | 2 | |||||
9 | 247 | 14 | 5 | |||||
10 | 205 | 7 | ||||||
11 | 177 | 14 | 5 | |||||
12 | 151 | 7 | ||||||
13 | 12A | 10 | 1 | |||||
14 | 109 | A | ||||||
15 | DA,18 | 9 | ||||||
16 | CD,19 | A |
Factors: 5 * 41
205 is in the Pythagorean Triples: (84, 187, 205), (205, 828, 853), (133, 156, 205).