Positive Integers » 20001-30000 » 21801-21900 » 21813
Divisors of the Positive Integer 21813
1, 3, 11, 33, 661, 1983, 7271, 21813Sum of all the Divisors of 21813, including itself
31776Sum of the Proper Divisors of 21813
9963Properties of the number 21813
The integer 21813 is an odd number.The integer 21813 is a Composite number.
9963 is less than 21813, so 21813 is a deficient number.
The number 21813 as a Roman Numeral
_X_XMDCCCXIII (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 21813 in various Numeral Systems
| Base | Representation |
|---|---|
| 2: | 101010100110101 |
| 3: | 1002220220 |
| 4: | 11110311 |
| 5: | 1144223 |
| 6: | 244553 |
| 7: | 120411 |
| 8: | 52465 |
| 9: | 32826 |
| 10: | 21813 |
| 11: | 15430 |
| 12: | 10759 |
| 13: | 9C0C |
| 14: | 7D41 |
| 15: | 66E3 |
| 16: | 5535 |
| 17: | 4782 |
| 18: | 3D5F |
| 19: | 3381 |
| 20: | 2EAD |
| 21: | 279F |
| 22: | 211B |
| 23: | 1I59 |
| 24: | 1DKL |
| 25: | 19MD |
| 26: | 166P |
| 27: | 12OO |
| 28: | RN1 |
| 29: | PR5 |
| 30: | O73 |
| 31: | MLK |
| 32: | L9L |
| 33: | K10 |
| 34: | ITJ |
| 35: | HS8 |
| 36: | GTX |