Divisors of the Positive Integer 561

1, 3, 11, 17, 33, 51, 187, 561

Sum of all the Divisors of 561, including itself

864

Sum of the Proper Divisors of 561

303

Properties of the number 561

The integer 561 is an odd number.
The integer 561 is a Composite number.
303 is less than 561, so 561 is a deficient number.

The number 561 as a Roman Numeral

DLXI

The number 561 in various Numeral Systems

Base Representation
2:1000110001
3:202210
4:20301
5:4221
6:2333
7:1431
8:1061
9:683
10:561
11:470
12:3A9
13:342
14:2C1
15:276
16:231
17:1G0
18:1D3
19:1AA
20:181
21:15F
22:13B
23:119
24:N9
25:MB
26:LF
27:KL
28:K1
29:JA
30:IL
31:I3
32:HH
33:H0
34:GH
35:G1
36:FL