Positive Integers » 20001-30000 » 21901-22000 » 21988
Divisors of the Positive Integer 21988
1, 2, 4, 23, 46, 92, 239, 478, 956, 5497, 10994, 21988Sum of all the Divisors of 21988, including itself
40320Sum of the Proper Divisors of 21988
18332Properties of the number 21988
The integer 21988 is an even number.The integer 21988 is a Composite number.
18332 is less than 21988, so 21988 is a deficient number.
The number 21988 as a Roman Numeral
_X_XMCMLXXXVIII (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 21988 in various Numeral Systems
| Base | Representation |
|---|---|
| 2: | 101010111100100 |
| 3: | 1010011101 |
| 4: | 11113210 |
| 5: | 1200423 |
| 6: | 245444 |
| 7: | 121051 |
| 8: | 52744 |
| 9: | 33141 |
| 10: | 21988 |
| 11: | 1557A |
| 12: | 10884 |
| 13: | A015 |
| 14: | 8028 |
| 15: | 67AD |
| 16: | 55E4 |
| 17: | 4817 |
| 18: | 3DFA |
| 19: | 33H5 |
| 20: | 2EJ8 |
| 21: | 27I1 |
| 22: | 219A |
| 23: | 1ID0 |
| 24: | 1E44 |
| 25: | 1A4D |
| 26: | 16DI |
| 27: | 134A |
| 28: | 1018 |
| 29: | Q46 |
| 30: | OCS |
| 31: | MR9 |
| 32: | LF4 |
| 33: | K6A |
| 34: | J0O |
| 35: | HX8 |
| 36: | GYS |