Positive Integers » 20001-30000 » 21801-21900 » 21871
Divisors of the Positive Integer 21871
1, 21871Sum of all the Divisors of 21871, including itself
21872Sum of the Proper Divisors of 21871
1Properties of the number 21871
The integer 21871 is an odd number.The integer 21871 is a Prime number.
1 is less than 21871, so 21871 is a deficient number.
The number 21871 as a Roman Numeral
_X_XMDCCCLXXI (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 21871 in various Numeral Systems
| Base | Representation |
|---|---|
| 2: | 101010101101111 |
| 3: | 1010000001 |
| 4: | 11111233 |
| 5: | 1144441 |
| 6: | 245131 |
| 7: | 120523 |
| 8: | 52557 |
| 9: | 33001 |
| 10: | 21871 |
| 11: | 15483 |
| 12: | 107A7 |
| 13: | 9C55 |
| 14: | 7D83 |
| 15: | 6731 |
| 16: | 556F |
| 17: | 47B9 |
| 18: | 3D91 |
| 19: | 33B2 |
| 20: | 2EDB |
| 21: | 27CA |
| 22: | 2143 |
| 23: | 1I7L |
| 24: | 1DN7 |
| 25: | 19OL |
| 26: | 1695 |
| 27: | 1301 |
| 28: | RP3 |
| 29: | Q05 |
| 30: | O91 |
| 31: | MNG |
| 32: | LBF |
| 33: | K2P |
| 34: | IV9 |
| 35: | HTV |
| 36: | GVJ |