Divisors of the Positive Integer 1221
1, 3, 11, 33, 37, 111, 407, 1221Sum of all the Divisors of 1221, including itself
1824Sum of the Proper Divisors of 1221
603Properties of the number 1221
The integer 1221 is an odd number.The integer 1221 is a Composite number.
603 is less than 1221, so 1221 is a deficient number.
The number 1221 as a Roman Numeral
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The number 1221 in various Numeral Systems
| Base | Representation |
|---|---|
| 2: | 10011000101 |
| 3: | 1200020 |
| 4: | 103011 |
| 5: | 14341 |
| 6: | 5353 |
| 7: | 3363 |
| 8: | 2305 |
| 9: | 1606 |
| 10: | 1221 |
| 11: | A10 |
| 12: | 859 |
| 13: | 72C |
| 14: | 633 |
| 15: | 566 |
| 16: | 4C5 |
| 17: | 43E |
| 18: | 3DF |
| 19: | 375 |
| 20: | 311 |
| 21: | 2G3 |
| 22: | 2BB |
| 23: | 272 |
| 24: | 22L |
| 25: | 1NL |
| 26: | 1KP |
| 27: | 1I6 |
| 28: | 1FH |
| 29: | 1D3 |
| 30: | 1AL |
| 31: | 18C |
| 32: | 165 |
| 33: | 140 |
| 34: | 11V |
| 35: | YV |
| 36: | XX |