Positive Integers » 20001-30000 » 21801-21900 » 21887

Divisors of the Positive Integer 21887

1, 43, 509, 21887

Sum of all the Divisors of 21887, including itself

22440

Sum of the Proper Divisors of 21887

553

Properties of the number 21887

The integer 21887 is an odd number.
The integer 21887 is a Composite number.
553 is less than 21887, so 21887 is a deficient number.

The number 21887 as a Roman Numeral

_X_XMDCCCLXXXVII (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 21887 in various Numeral Systems

Base Representation
2:101010101111111
3:1010000122
4:11111333
5:1200022
6:245155
7:120545
8:52577
9:33018
10:21887
11:15498
12:107BB
13:9C68
14:7D95
15:6742
16:557F
17:47C8
18:3D9H
19:33BI
20:2EE7
21:27D5
22:214J
23:1I8E
24:1DNN
25:1A0C
26:169L
27:130H
28:RPJ
29:Q0L
30:O9H
31:MO1
32:LBV
33:K38
34:IVP
35:HUC
36:GVZ