Positive Integers » 20001-30000 » 20301-20400 » 20391

Divisors of the Positive Integer 20391

1, 3, 7, 21, 971, 2913, 6797, 20391

Sum of all the Divisors of 20391, including itself

31104

Sum of the Proper Divisors of 20391

10713

Properties of the number 20391

The integer 20391 is an odd number.
The integer 20391 is a Composite number.
10713 is less than 20391, so 20391 is a deficient number.

The number 20391 as a Roman Numeral

_X_XCCCXCI (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 20391 in various Numeral Systems

Base Representation
2:100111110100111
3:1000222020
4:10332213
5:1123031
6:234223
7:113310
8:47647
9:30866
10:20391
11:14358
12:B973
13:9387
14:7607
15:6096
16:4FA7
17:4298
18:38GF
19:2I94
20:2AJB
21:2450
22:1K2J
23:1FCD
24:1B9F
25:17FG
26:1447
27:10Q6
28:Q07
29:O74
30:MJL
31:L6O
32:JT7
33:INU
34:HLP
35:GML
36:FQF