Positive Integers » 20001-30000 » 21901-22000 » 21921
Divisors of the Positive Integer 21921
1, 3, 7307, 21921Sum of all the Divisors of 21921, including itself
29232Sum of the Proper Divisors of 21921
7311Properties of the number 21921
The integer 21921 is an odd number.The integer 21921 is a Composite number.
7311 is less than 21921, so 21921 is a deficient number.
The number 21921 as a Roman Numeral
_X_XMCMXXI (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 21921 in various Numeral Systems
| Base | Representation |
|---|---|
| 2: | 101010110100001 |
| 3: | 1010001220 |
| 4: | 11112201 |
| 5: | 1200141 |
| 6: | 245253 |
| 7: | 120624 |
| 8: | 52641 |
| 9: | 33056 |
| 10: | 21921 |
| 11: | 15519 |
| 12: | 10829 |
| 13: | 9C93 |
| 14: | 7DBB |
| 15: | 6766 |
| 16: | 55A1 |
| 17: | 47E8 |
| 18: | 3DBF |
| 19: | 33DE |
| 20: | 2EG1 |
| 21: | 27EI |
| 22: | 2169 |
| 23: | 1IA2 |
| 24: | 1E19 |
| 25: | 1A1L |
| 26: | 16B3 |
| 27: | 131O |
| 28: | RQP |
| 29: | Q1Q |
| 30: | OAL |
| 31: | MP4 |
| 32: | LD1 |
| 33: | K49 |
| 34: | IWP |
| 35: | HVB |
| 36: | GWX |