Positive Integers » 20001-30000 » 21801-21900 » 21881
Divisors of the Positive Integer 21881
1, 21881Sum of all the Divisors of 21881, including itself
21882Sum of the Proper Divisors of 21881
1Properties of the number 21881
The integer 21881 is an odd number.The integer 21881 is a Prime number.
1 is less than 21881, so 21881 is a deficient number.
The number 21881 as a Roman Numeral
_X_XMDCCCLXXXI (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 21881 in various Numeral Systems
| Base | Representation |
|---|---|
| 2: | 101010101111001 |
| 3: | 1010000102 |
| 4: | 11111321 |
| 5: | 1200011 |
| 6: | 245145 |
| 7: | 120536 |
| 8: | 52571 |
| 9: | 33012 |
| 10: | 21881 |
| 11: | 15492 |
| 12: | 107B5 |
| 13: | 9C62 |
| 14: | 7D8D |
| 15: | 673B |
| 16: | 5579 |
| 17: | 47C2 |
| 18: | 3D9B |
| 19: | 33BC |
| 20: | 2EE1 |
| 21: | 27CK |
| 22: | 214D |
| 23: | 1I88 |
| 24: | 1DNH |
| 25: | 1A06 |
| 26: | 169F |
| 27: | 130B |
| 28: | RPD |
| 29: | Q0F |
| 30: | O9B |
| 31: | MNQ |
| 32: | LBP |
| 33: | K32 |
| 34: | IVJ |
| 35: | HU6 |
| 36: | GVT |