Positive Integers » 20001-30000 » 20801-20900 » 20809
Divisors of the Positive Integer 20809
1, 20809Sum of all the Divisors of 20809, including itself
20810Sum of the Proper Divisors of 20809
1Properties of the number 20809
The integer 20809 is an odd number.The integer 20809 is a Prime number.
1 is less than 20809, so 20809 is a deficient number.
The number 20809 as a Roman Numeral
_X_XDCCCIX (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 20809 in various Numeral Systems
| Base | Representation |
|---|---|
| 2: | 101000101001001 |
| 3: | 1001112201 |
| 4: | 11011021 |
| 5: | 1131214 |
| 6: | 240201 |
| 7: | 114445 |
| 8: | 50511 |
| 9: | 31481 |
| 10: | 20809 |
| 11: | 146A8 |
| 12: | 10061 |
| 13: | 9619 |
| 14: | 7825 |
| 15: | 6274 |
| 16: | 5149 |
| 17: | 4401 |
| 18: | 3A41 |
| 19: | 30C4 |
| 20: | 2C09 |
| 21: | 253J |
| 22: | 1KLJ |
| 23: | 1G7H |
| 24: | 1C31 |
| 25: | 1879 |
| 26: | 14K9 |
| 27: | 11EJ |
| 28: | QF5 |
| 29: | OLG |
| 30: | N3J |
| 31: | LK8 |
| 32: | KA9 |
| 33: | J3J |
| 34: | I01 |
| 35: | GYJ |
| 36: | G21 |