Positive Integers » 20001-30000 » 21401-21500 » 21405
Divisors of the Positive Integer 21405
1, 3, 5, 15, 1427, 4281, 7135, 21405Sum of all the Divisors of 21405, including itself
34272Sum of the Proper Divisors of 21405
12867Properties of the number 21405
The integer 21405 is an odd number.The integer 21405 is a Composite number.
12867 is less than 21405, so 21405 is a deficient number.
The number 21405 as a Roman Numeral
_X_XMCDV (Roman Numerals with underscores in front have their values increased by 1,000. The underscore represents a line over the numeral, because the Romans used overlines to multiply by 1,000.)The number 21405 in various Numeral Systems
| Base | Representation |
|---|---|
| 2: | 101001110011101 |
| 3: | 1002100210 |
| 4: | 11032131 |
| 5: | 1141110 |
| 6: | 243033 |
| 7: | 116256 |
| 8: | 51635 |
| 9: | 32323 |
| 10: | 21405 |
| 11: | 1509A |
| 12: | 10479 |
| 13: | 9987 |
| 14: | 7B2D |
| 15: | 6520 |
| 16: | 539D |
| 17: | 4612 |
| 18: | 3C13 |
| 19: | 325B |
| 20: | 2DA5 |
| 21: | 26B6 |
| 22: | 204L |
| 23: | 1HAF |
| 24: | 1D3L |
| 25: | 1965 |
| 26: | 15H7 |
| 27: | 129L |
| 28: | R8D |
| 29: | PD3 |
| 30: | NNF |
| 31: | M8F |
| 32: | KST |
| 33: | JLL |
| 34: | IHJ |
| 35: | HGK |
| 36: | GIL |