Positive Integers » 30001-40000 » 31901-32000 » 31991
Divisors of the Positive Integer 31991
1, 31991Sum of all the Divisors of 31991, including itself
31992Sum of the Proper Divisors of 31991
1Properties of the number 31991
The integer 31991 is an odd number.The integer 31991 is a Prime number.
1 is less than 31991, so 31991 is a deficient number.
The number 31991 as a Roman Numeral
_X_X_XMCMXCI (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 31991 in various Numeral Systems
| Base | Representation |
|---|---|
| 2: | 111110011110111 |
| 3: | 1121212212 |
| 4: | 13303313 |
| 5: | 2010431 |
| 6: | 404035 |
| 7: | 162161 |
| 8: | 76367 |
| 9: | 47785 |
| 10: | 31991 |
| 11: | 22043 |
| 12: | 1661B |
| 13: | 1173B |
| 14: | B931 |
| 15: | 972B |
| 16: | 7CF7 |
| 17: | 68BE |
| 18: | 58D5 |
| 19: | 4CBE |
| 20: | 3JJB |
| 21: | 39B8 |
| 22: | 3023 |
| 23: | 2EAL |
| 24: | 27CN |
| 25: | 214G |
| 26: | 1L8B |
| 27: | 1GNN |
| 28: | 1CMF |
| 29: | 1914 |
| 30: | 15GB |
| 31: | 128U |
| 32: | V7N |
| 33: | TCE |
| 34: | RMV |
| 35: | Q41 |
| 36: | OON |