Positive Integers » 20001-30000 » 21801-21900 » 21819

Divisors of the Positive Integer 21819

1, 3, 7, 21, 1039, 3117, 7273, 21819

Sum of all the Divisors of 21819, including itself

33280

Sum of the Proper Divisors of 21819

11461

Properties of the number 21819

The integer 21819 is an odd number.
The integer 21819 is a Composite number.
11461 is less than 21819, so 21819 is a deficient number.

The number 21819 as a Roman Numeral

_X_XMDCCCXIX (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 21819 in various Numeral Systems

Base Representation
2:101010100111011
3:1002221010
4:11110323
5:1144234
6:245003
7:120420
8:52473
9:32833
10:21819
11:15436
12:10763
13:9C15
14:7D47
15:66E9
16:553B
17:4788
18:3D63
19:3387
20:2EAJ
21:27A0
22:211H
23:1I5F
24:1DL3
25:19MJ
26:1675
27:12P3
28:RN7
29:PRB
30:O79
31:MLQ
32:L9R
33:K16
34:ITP
35:HSE
36:GU3