Positive Integers » 20001-30000 » 21001-21100 » 21009
Divisors of the Positive Integer 21009
1, 3, 47, 141, 149, 447, 7003, 21009Sum of all the Divisors of 21009, including itself
28800Sum of the Proper Divisors of 21009
7791Properties of the number 21009
The integer 21009 is an odd number.The integer 21009 is a Composite number.
7791 is less than 21009, so 21009 is a deficient number.
The number 21009 as a Roman Numeral
_X_XMIX (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 21009 in various Numeral Systems
| Base | Representation |
|---|---|
| 2: | 101001000010001 |
| 3: | 1001211010 |
| 4: | 11020101 |
| 5: | 1133014 |
| 6: | 241133 |
| 7: | 115152 |
| 8: | 51021 |
| 9: | 31733 |
| 10: | 21009 |
| 11: | 1486A |
| 12: | 101A9 |
| 13: | 9741 |
| 14: | 7929 |
| 15: | 6359 |
| 16: | 5211 |
| 17: | 44BE |
| 18: | 3AF3 |
| 19: | 313E |
| 20: | 2CA9 |
| 21: | 25D9 |
| 22: | 1L8L |
| 23: | 1GGA |
| 24: | 1CB9 |
| 25: | 18F9 |
| 26: | 1521 |
| 27: | 11M3 |
| 28: | QM9 |
| 29: | OSD |
| 30: | NA9 |
| 31: | LQM |
| 32: | KGH |
| 33: | J9L |
| 34: | I5V |
| 35: | H59 |
| 36: | G7L |