Positive Integers » 20001-30000 » 21201-21300 » 21287

Divisors of the Positive Integer 21287

1, 7, 3041, 21287

Sum of all the Divisors of 21287, including itself

24336

Sum of the Proper Divisors of 21287

3049

Properties of the number 21287

The integer 21287 is an odd number.
The integer 21287 is a Composite number.
3049 is less than 21287, so 21287 is a deficient number.

The number 21287 as a Roman Numeral

_X_XMCCLXXXVII (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 21287 in various Numeral Systems

Base Representation
2:101001100100111
3:1002012102
4:11030213
5:1140122
6:242315
7:116030
8:51447
9:32172
10:21287
11:14AA2
12:1039B
13:98C6
14:7A87
15:6492
16:5327
17:45B3
18:3BCB
19:31I7
20:2D47
21:265E
22:1LLD
23:1H5C
24:1CMN
25:191C
26:15CJ
27:125B
28:R47
29:P91
30:NJH
31:M4L
32:KP7
33:JI2
34:IE3
35:HD7
36:GFB