The folowing table expresses '421' 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 | 110100101 | 101 | 10 | 1 | |||||
3 | 120121 | 21,10 | 1 | ||||||
4 | 12211 | 13,10 | 1 | ||||||
5 | 3141 | 14,10 | 1 | ||||||
6 | 1541 | 15,10 | 1 | ||||||
7 | 1141 | 10 | 1 | ||||||
8 | 645 | 17,10 | 1 | ||||||
9 | 517 | 14 | 5 | ||||||
10 | 421 | 7 | |||||||
11 | 353 | 10 | 1 | ||||||
12 | 2B1 | 12 | 3 | ||||||
13 | 265 | 10 | 1 | ||||||
14 | 221 | 5 | |||||||
15 | 1D1 | 10 | 1 | ||||||
16 | 1A5 | 10 | 1 |
Factors: Prime
421 is in the Pythagorean Triple: (29, 420, 421).