Divisors of the Positive Integer 399

1, 3, 7, 19, 21, 57, 133, 399

Sum of all the Divisors of 399, including itself

640

Sum of the Proper Divisors of 399

241

Properties of the number 399

The integer 399 is an odd number.
The integer 399 is a Composite number.
241 is less than 399, so 399 is a deficient number.

The number 399 as a Roman Numeral

CCCXCIX

The number 399 in various Numeral Systems

Base	Representation
2:	110001111
3:	112210
4:	12033
5:	3044
6:	1503
7:	1110
8:	617
9:	483
10:	399
11:	333
12:	293
13:	249
14:	207
15:	1B9
16:	18F
17:	168
18:	143
19:	120
20:	JJ
21:	J0
22:	I3
23:	H8
24:	GF
25:	FO
26:	F9
27:	EL
28:	E7
29:	DM
30:	D9
31:	CR
32:	CF
33:	C3
34:	BP
35:	BE
36:	B3