Positive Integers » 20001-30000 » 21001-21100 » 21001
Divisors of the Positive Integer 21001
1, 21001Sum of all the Divisors of 21001, including itself
21002Sum of the Proper Divisors of 21001
1Properties of the number 21001
The integer 21001 is an odd number.The integer 21001 is a Prime number.
1 is less than 21001, so 21001 is a deficient number.
The number 21001 as a Roman Numeral
_X_XMI (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 21001 in various Numeral Systems
| Base | Representation |
|---|---|
| 2: | 101001000001001 |
| 3: | 1001210211 |
| 4: | 11020021 |
| 5: | 1133001 |
| 6: | 241121 |
| 7: | 115141 |
| 8: | 51011 |
| 9: | 31724 |
| 10: | 21001 |
| 11: | 14862 |
| 12: | 101A1 |
| 13: | 9736 |
| 14: | 7921 |
| 15: | 6351 |
| 16: | 5209 |
| 17: | 44B6 |
| 18: | 3AED |
| 19: | 3136 |
| 20: | 2CA1 |
| 21: | 25D1 |
| 22: | 1L8D |
| 23: | 1GG2 |
| 24: | 1CB1 |
| 25: | 18F1 |
| 26: | 151J |
| 27: | 11LM |
| 28: | QM1 |
| 29: | OS5 |
| 30: | NA1 |
| 31: | LQE |
| 32: | KG9 |
| 33: | J9D |
| 34: | I5N |
| 35: | H51 |
| 36: | G7D |