Divisors of the Positive Integer 1
1Sum of all the Divisors of 1, including itself
1Sum of the Proper Divisors of 1
0Properties of the number 1
The integer 1 is an odd number.The number 1 is neither Composite nor Prime.
0 is less than 1, so 1 is a deficient number.
The number 1 as a Roman Numeral
IThe number 1 in various Numeral Systems
| Base | Representation |
|---|---|
| 2: | 1 |
| 3: | 1 |
| 4: | 1 |
| 5: | 1 |
| 6: | 1 |
| 7: | 1 |
| 8: | 1 |
| 9: | 1 |
| 10: | 1 |
| 11: | 1 |
| 12: | 1 |
| 13: | 1 |
| 14: | 1 |
| 15: | 1 |
| 16: | 1 |
| 17: | 1 |
| 18: | 1 |
| 19: | 1 |
| 20: | 1 |
| 21: | 1 |
| 22: | 1 |
| 23: | 1 |
| 24: | 1 |
| 25: | 1 |
| 26: | 1 |
| 27: | 1 |
| 28: | 1 |
| 29: | 1 |
| 30: | 1 |
| 31: | 1 |
| 32: | 1 |
| 33: | 1 |
| 34: | 1 |
| 35: | 1 |
| 36: | 1 |