Positive Integers » 10001-20000 » 19801-19900 » 19891

Divisors of the Positive Integer 19891

1, 19891

Sum of all the Divisors of 19891, including itself

19892

Sum of the Proper Divisors of 19891

1

Properties of the number 19891

The integer 19891 is an odd number.
The integer 19891 is a Prime number.
1 is less than 19891, so 19891 is a deficient number.

The number 19891 as a Roman Numeral

_XM_XDCCCXCI (Roman Numerals with underscores in front have their values increased by 1,000. The underscore represents a line over the numeral, because the Romans used overlines to multiply by 1,000.)

The number 19891 in various Numeral Systems

Base Representation
2:100110110110011
3:1000021201
4:10312303
5:1114031
6:232031
7:111664
8:46663
9:30251
10:19891
11:13A43
12:B617
13:9091
14:736B
15:5D61
16:4DB3
17:40E1
18:3771
19:2H1H
20:29EB
21:2324
22:1J23
23:1EDJ
24:1ACJ
25:16KG
26:13B1
27:107J
28:PAB
29:NIQ
30:M31
31:KLK
32:JDJ
33:I8P
34:H71
35:G8B
36:FCJ