Divisors of the Positive Integer 221

1, 13, 17, 221

Sum of all the Divisors of 221, including itself

252

Sum of the Proper Divisors of 221

31

Properties of the number 221

The integer 221 is an odd number.
The integer 221 is a Composite number.
31 is less than 221, so 221 is a deficient number.

The number 221 as a Roman Numeral

CCXXI

The number 221 in various Numeral Systems

Base	Representation
2:	11011101
3:	22012
4:	3131
5:	1341
6:	1005
7:	434
8:	335
9:	265
10:	221
11:	191
12:	165
13:	140
14:	11B
15:	EB
16:	DD
17:	D0
18:	C5
19:	BC
20:	B1
21:	AB
22:	A1
23:	9E
24:	95
25:	8L
26:	8D
27:	85
28:	7P
29:	7I
30:	7B
31:	74
32:	6T
33:	6N
34:	6H
35:	6B
36:	65