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, 21808

Sum of all the Divisors of 21808, including itself

44640

Sum of the Proper Divisors of 21808

22832

Properties 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