Positive Integers » 20001-30000 » 21801-21900 » 21865

Divisors of the Positive Integer 21865

1, 5, 4373, 21865

Sum of all the Divisors of 21865, including itself

26244

Sum of the Proper Divisors of 21865

4379

Properties of the number 21865

The integer 21865 is an odd number.
The integer 21865 is a Composite number.
4379 is less than 21865, so 21865 is a deficient number.

The number 21865 as a Roman Numeral

_X_XMDCCCLXV (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 21865 in various Numeral Systems

Base Representation
2:101010101101001
3:1002222211
4:11111221
5:1144430
6:245121
7:120514
8:52551
9:32884
10:21865
11:15478
12:107A1
13:9C4C
14:7D7B
15:672A
16:5569
17:47B3
18:3D8D
19:33AF
20:2ED5
21:27C4
22:213J
23:1I7F
24:1DN1
25:19OF
26:168P
27:12QM
28:ROP
29:PSS
30:O8P
31:MNA
32:LB9
33:K2J
34:IV3
35:HTP
36:GVD