Positive Integers » 30001-40000 » 31901-32000 » 31981
Divisors of the Positive Integer 31981
1, 31981Sum of all the Divisors of 31981, including itself
31982Sum of the Proper Divisors of 31981
1Properties of the number 31981
The integer 31981 is an odd number.The integer 31981 is a Prime number.
1 is less than 31981, so 31981 is a deficient number.
The number 31981 as a Roman Numeral
_X_X_XMCMLXXXI (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 31981 in various Numeral Systems
| Base | Representation |
|---|---|
| 2: | 111110011101101 |
| 3: | 1121212111 |
| 4: | 13303231 |
| 5: | 2010411 |
| 6: | 404021 |
| 7: | 162145 |
| 8: | 76355 |
| 9: | 47774 |
| 10: | 31981 |
| 11: | 22034 |
| 12: | 16611 |
| 13: | 11731 |
| 14: | B925 |
| 15: | 9721 |
| 16: | 7CED |
| 17: | 68B4 |
| 18: | 58CD |
| 19: | 4CB4 |
| 20: | 3JJ1 |
| 21: | 39AJ |
| 22: | 301F |
| 23: | 2EAB |
| 24: | 27CD |
| 25: | 2146 |
| 26: | 1L81 |
| 27: | 1GND |
| 28: | 1CM5 |
| 29: | 190N |
| 30: | 15G1 |
| 31: | 128K |
| 32: | V7D |
| 33: | TC4 |
| 34: | RML |
| 35: | Q3Q |
| 36: | OOD |