Positive Integers » 80001-90000 » 81901-82000 » 81980
Divisors of the Positive Integer 81980
1, 2, 4, 5, 10, 20, 4099, 8198, 16396, 20495, 40990, 81980Sum of all the Divisors of 81980, including itself
172200Sum of the Proper Divisors of 81980
90220Properties of the number 81980
The integer 81980 is an even number.The integer 81980 is a Composite number.
90220 is greater than 81980, so 81980 is an abundant number.
The number 81980 as a Roman Numeral
_L_X_X_XMCMLXXX (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 81980 in various Numeral Systems
| Base | Representation |
|---|---|
| 2: | 10100000000111100 |
| 3: | 11011110022 |
| 4: | 110000330 |
| 5: | 10110410 |
| 6: | 1431312 |
| 7: | 461003 |
| 8: | 240074 |
| 9: | 134408 |
| 10: | 81980 |
| 11: | 56658 |
| 12: | 3B538 |
| 13: | 2B412 |
| 14: | 21C3A |
| 15: | 19455 |
| 16: | 1403C |
| 17: | GBB6 |
| 18: | E108 |
| 19: | BI1E |
| 20: | A4J0 |
| 21: | 8HIH |
| 22: | 7F88 |
| 23: | 6GM8 |
| 24: | 5M7K |
| 25: | 5645 |
| 26: | 4H72 |
| 27: | 44C8 |
| 28: | 3KFO |
| 29: | 3ADQ |
| 30: | 312K |
| 31: | 2N9G |
| 32: | 2G1S |
| 33: | 2998 |
| 34: | 22V6 |
| 35: | 1VWA |
| 36: | 1R98 |