Divisors of the Positive Integer 91
1, 7, 13, 91Sum of all the Divisors of 91, including itself
112Sum of the Proper Divisors of 91
21Properties of the number 91
The integer 91 is an odd number.The integer 91 is a Composite number.
21 is less than 91, so 91 is a deficient number.
The number 91 as a Roman Numeral
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The number 91 in various Numeral Systems
| Base | Representation |
|---|---|
| 2: | 1011011 |
| 3: | 10101 |
| 4: | 1123 |
| 5: | 331 |
| 6: | 231 |
| 7: | 160 |
| 8: | 133 |
| 9: | 111 |
| 10: | 91 |
| 11: | 83 |
| 12: | 77 |
| 13: | 70 |
| 14: | 67 |
| 15: | 61 |
| 16: | 5B |
| 17: | 56 |
| 18: | 51 |
| 19: | 4F |
| 20: | 4B |
| 21: | 47 |
| 22: | 43 |
| 23: | 3M |
| 24: | 3J |
| 25: | 3G |
| 26: | 3D |
| 27: | 3A |
| 28: | 37 |
| 29: | 34 |
| 30: | 31 |
| 31: | 2T |
| 32: | 2R |
| 33: | 2P |
| 34: | 2N |
| 35: | 2L |
| 36: | 2J |