The folowing table expresses '220' 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 | 11011100 | 101 | 10 | 1 | ||||
3 | 22011 | 20 | 2 | |||||
4 | 3130 | 13,10 | 1 | |||||
5 | 1340 | 13 | 4 | |||||
6 | 1004 | 5 | ||||||
7 | 433 | 13 | 4 | |||||
8 | 334 | 12 | 3 | |||||
9 | 264 | 13 | 4 | |||||
10 | 220 | 4 | ||||||
11 | 190 | A | ||||||
12 | 164 | B | ||||||
13 | 13C | 13 | 4 | |||||
14 | 11A | C | ||||||
15 | EA,19 | A | ||||||
16 | DC,19 | A |
Factors: 22 * 5 * 11
220 is in the Pythagorean Triples: (21, 220, 221), (220, 459, 509).