Positive Integers » 20001-30000 » 21601-21700 » 21661
Divisors of the Positive Integer 21661
1, 21661Sum of all the Divisors of 21661, including itself
21662Sum of the Proper Divisors of 21661
1Properties of the number 21661
The integer 21661 is an odd number.The integer 21661 is a Prime number.
1 is less than 21661, so 21661 is a deficient number.
The number 21661 as a Roman Numeral
_X_XMDCLXI (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 21661 in various Numeral Systems
| Base | Representation |
|---|---|
| 2: | 101010010011101 |
| 3: | 1002201021 |
| 4: | 11102131 |
| 5: | 1143121 |
| 6: | 244141 |
| 7: | 120103 |
| 8: | 52235 |
| 9: | 32637 |
| 10: | 21661 |
| 11: | 15302 |
| 12: | 10651 |
| 13: | 9B23 |
| 14: | 7C73 |
| 15: | 6641 |
| 16: | 549D |
| 17: | 46G3 |
| 18: | 3CF7 |
| 19: | 3301 |
| 20: | 2E31 |
| 21: | 272A |
| 22: | 20GD |
| 23: | 1HLI |
| 24: | 1DED |
| 25: | 19GB |
| 26: | 1613 |
| 27: | 12J7 |
| 28: | RHH |
| 29: | PLR |
| 30: | O21 |
| 31: | MGN |
| 32: | L4T |
| 33: | JTD |
| 34: | IP3 |
| 35: | HNV |
| 36: | GPP |