The folowing table expresses '209' 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 | 11010001 | 100 | 1 | |||||
3 | 21202 | 21,10 | 1 | |||||
4 | 3101 | 11 | 2 | |||||
5 | 1314 | 14,10 | 1 | |||||
6 | 545 | 22 | 4 | |||||
7 | 416 | 14 | 5 | |||||
8 | 321 | 6 | ||||||
9 | 252 | 10 | 1 | |||||
10 | 209 | 11 | 2 | |||||
11 | 180 | 9 | ||||||
12 | 155 | B | ||||||
13 | 131 | 5 | ||||||
14 | 10D | 10 | 1 | |||||
15 | DE,1C | D | ||||||
16 | D1 | E |
Factors: 11 * 19
209 is in the Pythagorean Triple: (120, 209, 241).