Divisors of the Positive Integer 11

1, 11

Sum of all the Divisors of 11, including itself

12

Sum of the Proper Divisors of 11

1

Properties of the number 11

The integer 11 is an odd number.
The integer 11 is a Prime number.
1 is less than 11, so 11 is a deficient number.

The number 11 as a Roman Numeral

XI

The number 11 in various Numeral Systems

Base Representation
2:1011
3:102
4:23
5:21
6:15
7:14
8:13
9:12
10:11
11:10
12:B
13:B
14:B
15:B
16:B
17:B
18:B
19:B
20:B
21:B
22:B
23:B
24:B
25:B
26:B
27:B
28:B
29:B
30:B
31:B
32:B
33:B
34:B
35:B
36:B