Positive Integers » 20001-30000 » 21801-21900 » 21855

Divisors of the Positive Integer 21855

1, 3, 5, 15, 31, 47, 93, 141, 155, 235, 465, 705, 1457, 4371, 7285, 21855

Sum of all the Divisors of 21855, including itself

36864

Sum of the Proper Divisors of 21855

15009

Properties of the number 21855

The integer 21855 is an odd number.
The integer 21855 is a Composite number.
15009 is less than 21855, so 21855 is a deficient number.

The number 21855 as a Roman Numeral

_X_XMDCCCLV (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 21855 in various Numeral Systems

Base Representation
2:101010101011111
3:1002222110
4:11111133
5:1144410
6:245103
7:120501
8:52537
9:32873
10:21855
11:15469
12:10793
13:9C42
14:7D71
15:6720
16:555F
17:47AA
18:3D83
19:33A5
20:2ECF
21:27BF
22:2139
23:1I75
24:1DMF
25:19O5
26:168F
27:12QC
28:ROF
29:PSI
30:O8F
31:MN0
32:LAV
33:K29
34:IUR
35:HTF
36:GV3