Divisors of the Positive Integer 1989

1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989

Sum of all the Divisors of 1989, including itself

3276

Sum of the Proper Divisors of 1989

1287

Properties of the number 1989

The integer 1989 is an odd number.
The integer 1989 is a Composite number.
1287 is less than 1989, so 1989 is a deficient number.

The number 1989 as a Roman Numeral

MCMLXXXIX

The number 1989 in various Numeral Systems

Base Representation
2:11111000101
3:2201200
4:133011
5:30424
6:13113
7:5541
8:3705
9:2650
10:1989
11:1549
12:1199
13:BA0
14:A21
15:8C9
16:7C5
17:6F0
18:629
19:59D
20:4J9
21:4AF
22:429
23:3HB
24:3AL
25:34E
26:2OD
27:2JI
28:2F1
29:2AH
30:269
31:225
32:1U5
33:1R9
34:1OH
35:1LT
36:1J9