The folowing table expresses '720' in various number bases. 'DRx' shows the result of 'digit reducing' resulting in an X-digit long number.
Base | DR10 | DR9 | DR8 | DR7 | DR6 | DR5 | DR4 | DR3 | DR2 | DR1 |
---|---|---|---|---|---|---|---|---|---|---|
2 | 1011010000 | 100 | 1 | |||||||
3 | 222200 | 22,11 | 2 | |||||||
4 | 23100 | 12 | 3 | |||||||
5 | 10340 | 13 | 4 | |||||||
6 | 3200 | 5 | ||||||||
7 | 2046 | 15 | 6 | |||||||
8 | 1320 | 6 | ||||||||
9 | 880 | 17 | 8 | |||||||
10 | 720 | 9 | ||||||||
11 | 5A5 | 19 | A | |||||||
12 | 500 | 5 | ||||||||
13 | 435 | C | ||||||||
14 | 396 | 14 | 5 | |||||||
15 | 330 | 6 | ||||||||
16 | 2D0 | F |
Factors: 24 * 32 * 5
720 is in the Pythagorean Triples: (720, 1961, 2089), (720, 1519, 1681).
720 is the product of the counting numbers from 1 to 6 (See The Sum/Product of the First N Counting Numbers).