Positive Integers » 20001-30000 » 21901-22000 » 21931

Divisors of the Positive Integer 21931

1, 7, 13, 91, 241, 1687, 3133, 21931

Sum of all the Divisors of 21931, including itself

27104

Sum of the Proper Divisors of 21931

5173

Properties of the number 21931

The integer 21931 is an odd number.
The integer 21931 is a Composite number.
5173 is less than 21931, so 21931 is a deficient number.

The number 21931 as a Roman Numeral

_X_XMCMXXXI (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 21931 in various Numeral Systems

Base Representation
2:101010110101011
3:1010002021
4:11112223
5:1200211
6:245311
7:120640
8:52653
9:33067
10:21931
11:15528
12:10837
13:9CA0
14:7DC7
15:6771
16:55AB
17:47F1
18:3DC7
19:33E5
20:2EGB
21:27F7
22:216J
23:1IAC
24:1E1J
25:1A26
26:16BD
27:1327
28:RR7
29:Q27
30:OB1
31:MPE
32:LDB
33:K4J
34:IX1
35:HVL
36:GX7