Divisors of the Positive Integer 19

1, 19

Sum of all the Divisors of 19, including itself

20

Sum of the Proper Divisors of 19

1

Properties of the number 19

The integer 19 is an odd number.
The integer 19 is a Prime number.
1 is less than 19, so 19 is a deficient number.

The number 19 as a Roman Numeral

XIX

The number 19 in various Numeral Systems

Base Representation
2:10011
3:201
4:103
5:34
6:31
7:25
8:23
9:21
10:19
11:18
12:17
13:16
14:15
15:14
16:13
17:12
18:11
19:10
20:J
21:J
22:J
23:J
24:J
25:J
26:J
27:J
28:J
29:J
30:J
31:J
32:J
33:J
34:J
35:J
36:J