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