The folowing table expresses '420' in various number bases. 'DRx' shows the result of 'digit reducing' resulting in an X-digit long number.
Base | DR9 | DR8 | DR7 | DR6 | DR5 | DR4 | DR3 | DR2 | DR1 |
---|---|---|---|---|---|---|---|---|---|
2 | 110100100 | 100 | 1 | ||||||
3 | 120120 | 20 | 2 | ||||||
4 | 12210 | 12 | 3 | ||||||
5 | 3140 | 13 | 4 | ||||||
6 | 1540 | 14 | 5 | ||||||
7 | 1140 | 6 | |||||||
8 | 644 | 16 | 7 | ||||||
9 | 516 | 13 | 4 | ||||||
10 | 420 | 6 | |||||||
11 | 352 | A | |||||||
12 | 2B0 | 11 | 2 | ||||||
13 | 264 | C | |||||||
14 | 220 | 4 | |||||||
15 | 1D0 | E | |||||||
16 | 1A4 | F |
Factors: 22 * 3 * 5 * 7
420 is in the Pythagorean Triples: (29, 420, 421), (420, 1739, 1789), (420, 1189, 1261), (420, 851, 949), (341, 420, 541).