Positive Integers » 20001-30000 » 20401-20500 » 20421
Divisors of the Positive Integer 20421
1, 3, 9, 2269, 6807, 20421Sum of all the Divisors of 20421, including itself
29510Sum of the Proper Divisors of 20421
9089Properties of the number 20421
The integer 20421 is an odd number.The integer 20421 is a Composite number.
9089 is less than 20421, so 20421 is a deficient number.
The number 20421 as a Roman Numeral
_X_XCDXXI (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 20421 in various Numeral Systems
| Base | Representation |
|---|---|
| 2: | 100111111000101 |
| 3: | 1001000100 |
| 4: | 10333011 |
| 5: | 1123141 |
| 6: | 234313 |
| 7: | 113352 |
| 8: | 47705 |
| 9: | 31010 |
| 10: | 20421 |
| 11: | 14385 |
| 12: | B999 |
| 13: | 93AB |
| 14: | 7629 |
| 15: | 60B6 |
| 16: | 4FC5 |
| 17: | 42B4 |
| 18: | 3909 |
| 19: | 2IAF |
| 20: | 2B11 |
| 21: | 2469 |
| 22: | 1K45 |
| 23: | 1FDK |
| 24: | 1BAL |
| 25: | 17GL |
| 26: | 145B |
| 27: | 1109 |
| 28: | Q19 |
| 29: | O85 |
| 30: | MKL |
| 31: | L7N |
| 32: | JU5 |
| 33: | IOR |
| 34: | HML |
| 35: | GNG |
| 36: | FR9 |