Positive Integers » 20001-30000 » 21801-21900 » 21861
Divisors of the Positive Integer 21861
1, 3, 7, 9, 21, 63, 347, 1041, 2429, 3123, 7287, 21861Sum of all the Divisors of 21861, including itself
36192Sum of the Proper Divisors of 21861
14331Properties of the number 21861
The integer 21861 is an odd number.The integer 21861 is a Composite number.
14331 is less than 21861, so 21861 is a deficient number.
The number 21861 as a Roman Numeral
_X_XMDCCCLXI (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 21861 in various Numeral Systems
| Base | Representation |
|---|---|
| 2: | 101010101100101 |
| 3: | 1002222200 |
| 4: | 11111211 |
| 5: | 1144421 |
| 6: | 245113 |
| 7: | 120510 |
| 8: | 52545 |
| 9: | 32880 |
| 10: | 21861 |
| 11: | 15474 |
| 12: | 10799 |
| 13: | 9C48 |
| 14: | 7D77 |
| 15: | 6726 |
| 16: | 5565 |
| 17: | 47AG |
| 18: | 3D89 |
| 19: | 33AB |
| 20: | 2ED1 |
| 21: | 27C0 |
| 22: | 213F |
| 23: | 1I7B |
| 24: | 1DML |
| 25: | 19OB |
| 26: | 168L |
| 27: | 12QI |
| 28: | ROL |
| 29: | PSO |
| 30: | O8L |
| 31: | MN6 |
| 32: | LB5 |
| 33: | K2F |
| 34: | IUX |
| 35: | HTL |
| 36: | GV9 |