Divisors of the Positive Integer 261

1, 3, 9, 29, 87, 261

Sum of all the Divisors of 261, including itself

390

Sum of the Proper Divisors of 261

129

Properties of the number 261

The integer 261 is an odd number.
The integer 261 is a Composite number.
129 is less than 261, so 261 is a deficient number.

The number 261 as a Roman Numeral

CCLXI

The number 261 in various Numeral Systems

Base	Representation
2:	100000101
3:	100200
4:	10011
5:	2021
6:	1113
7:	522
8:	405
9:	320
10:	261
11:	218
12:	199
13:	171
14:	149
15:	126
16:	105
17:	F6
18:	E9
19:	DE
20:	D1
21:	C9
22:	BJ
23:	B8
24:	AL
25:	AB
26:	A1
27:	9I
28:	99
29:	90
30:	8L
31:	8D
32:	85
33:	7U
34:	7N
35:	7G
36:	79