Divisors of the Positive Integer 1281

1, 3, 7, 21, 61, 183, 427, 1281

Sum of all the Divisors of 1281, including itself

1984

Sum of the Proper Divisors of 1281

703

Properties of the number 1281

The integer 1281 is an odd number.
The integer 1281 is a Composite number.
703 is less than 1281, so 1281 is a deficient number.

The number 1281 as a Roman Numeral

MCCLXXXI

The number 1281 in various Numeral Systems

Base Representation
2:10100000001
3:1202110
4:110001
5:20111
6:5533
7:3510
8:2401
9:1673
10:1281
11:A65
12:8A9
13:777
14:677
15:5A6
16:501
17:476
18:3H3
19:3A8
20:341
21:2J0
22:2E5
23:29G
24:259
25:216
26:1N7
27:1KC
28:1HL
29:1F5
30:1CL
31:1AA
32:181
33:15R
34:13N
35:11L
36:ZL