Positive Integers » 10001-20000 » 15901-16000 » 15991
Divisors of the Positive Integer 15991
1, 15991Sum of all the Divisors of 15991, including itself
15992Sum of the Proper Divisors of 15991
1Properties of the number 15991
The integer 15991 is an odd number.The integer 15991 is a Prime number.
1 is less than 15991, so 15991 is a deficient number.
The number 15991 as a Roman Numeral
_X_VCMXCI (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 15991 in various Numeral Systems
| Base | Representation |
|---|---|
| 2: | 11111001110111 |
| 3: | 210221021 |
| 4: | 3321313 |
| 5: | 1002431 |
| 6: | 202011 |
| 7: | 64423 |
| 8: | 37167 |
| 9: | 23837 |
| 10: | 15991 |
| 11: | 11018 |
| 12: | 9307 |
| 13: | 7381 |
| 14: | 5B83 |
| 15: | 4B11 |
| 16: | 3E77 |
| 17: | 345B |
| 18: | 2D67 |
| 19: | 265C |
| 20: | 1JJB |
| 21: | 1F5A |
| 22: | 1B0J |
| 23: | 1756 |
| 24: | 13I7 |
| 25: | 10EG |
| 26: | NH1 |
| 27: | LP7 |
| 28: | KB3 |
| 29: | J0C |
| 30: | HN1 |
| 31: | GJQ |
| 32: | FJN |
| 33: | EMJ |
| 34: | DSB |
| 35: | D1V |
| 36: | CC7 |