Divisors of the Positive Integer 1561
1, 7, 223, 1561Sum of all the Divisors of 1561, including itself
1792Sum of the Proper Divisors of 1561
231Properties of the number 1561
The integer 1561 is an odd number.The integer 1561 is a Composite number.
231 is less than 1561, so 1561 is a deficient number.
The number 1561 as a Roman Numeral
MDLXIThe number 1561 in various Numeral Systems
| Base | Representation |
|---|---|
| 2: | 11000011001 |
| 3: | 2010211 |
| 4: | 120121 |
| 5: | 22221 |
| 6: | 11121 |
| 7: | 4360 |
| 8: | 3031 |
| 9: | 2124 |
| 10: | 1561 |
| 11: | 119A |
| 12: | AA1 |
| 13: | 931 |
| 14: | 7D7 |
| 15: | 6E1 |
| 16: | 619 |
| 17: | 56E |
| 18: | 4ED |
| 19: | 463 |
| 20: | 3I1 |
| 21: | 3B7 |
| 22: | 34L |
| 23: | 2LK |
| 24: | 2H1 |
| 25: | 2CB |
| 26: | 281 |
| 27: | 23M |
| 28: | 1RL |
| 29: | 1OO |
| 30: | 1M1 |
| 31: | 1JB |
| 32: | 1GP |
| 33: | 1EA |
| 34: | 1BV |
| 35: | 19L |
| 36: | 17D |