Positive Integers » 20001-30000 » 21801-21900 » 21891
Divisors of the Positive Integer 21891
1, 3, 7297, 21891Sum of all the Divisors of 21891, including itself
29192Sum of the Proper Divisors of 21891
7301Properties of the number 21891
The integer 21891 is an odd number.The integer 21891 is a Composite number.
7301 is less than 21891, so 21891 is a deficient number.
The number 21891 as a Roman Numeral
_X_XMDCCCXCI (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 21891 in various Numeral Systems
| Base | Representation |
|---|---|
| 2: | 101010110000011 |
| 3: | 1010000210 |
| 4: | 11112003 |
| 5: | 1200031 |
| 6: | 245203 |
| 7: | 120552 |
| 8: | 52603 |
| 9: | 33023 |
| 10: | 21891 |
| 11: | 154A1 |
| 12: | 10803 |
| 13: | 9C6C |
| 14: | 7D99 |
| 15: | 6746 |
| 16: | 5583 |
| 17: | 47CC |
| 18: | 3DA3 |
| 19: | 33C3 |
| 20: | 2EEB |
| 21: | 27D9 |
| 22: | 2151 |
| 23: | 1I8I |
| 24: | 1E03 |
| 25: | 1A0G |
| 26: | 169P |
| 27: | 130L |
| 28: | RPN |
| 29: | Q0P |
| 30: | O9L |
| 31: | MO5 |
| 32: | LC3 |
| 33: | K3C |
| 34: | IVT |
| 35: | HUG |
| 36: | GW3 |