Positive Integers » 20001-30000 » 21801-21900 » 21808
Divisors of the Positive Integer 21808
1, 2, 4, 8, 16, 29, 47, 58, 94, 116, 188, 232, 376, 464, 752, 1363, 2726, 5452, 10904, 21808Sum of all the Divisors of 21808, including itself
44640Sum of the Proper Divisors of 21808
22832Properties of the number 21808
The integer 21808 is an even number.The integer 21808 is a Composite number.
22832 is greater than 21808, so 21808 is an abundant number.
The number 21808 as a Roman Numeral
_X_XMDCCCVIII (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 21808 in various Numeral Systems
Base | Representation |
---|---|
2: | 101010100110000 |
3: | 1002220201 |
4: | 11110300 |
5: | 1144213 |
6: | 244544 |
7: | 120403 |
8: | 52460 |
9: | 32821 |
10: | 21808 |
11: | 15426 |
12: | 10754 |
13: | 9C07 |
14: | 7D3A |
15: | 66DD |
16: | 5530 |
17: | 477E |
18: | 3D5A |
19: | 337F |
20: | 2EA8 |
21: | 279A |
22: | 2116 |
23: | 1I54 |
24: | 1DKG |
25: | 19M8 |
26: | 166K |
27: | 12OJ |
28: | RMO |
29: | PR0 |
30: | O6S |
31: | MLF |
32: | L9G |
33: | K0S |
34: | ITE |
35: | HS3 |
36: | GTS |