Positive Integers » 20001-30000 » 20401-20500 » 20405

Divisors of the Positive Integer 20405

1, 5, 7, 11, 35, 53, 55, 77, 265, 371, 385, 583, 1855, 2915, 4081, 20405

Sum of all the Divisors of 20405, including itself

31104

Sum of the Proper Divisors of 20405

10699

Properties of the number 20405

The integer 20405 is an odd number.
The integer 20405 is a Composite number.
10699 is less than 20405, so 20405 is a deficient number.

The number 20405 as a Roman Numeral

_X_XCDV (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 20405 in various Numeral Systems

Base Representation
2:100111110110101
3:1000222202
4:10332311
5:1123110
6:234245
7:113330
8:47665
9:30882
10:20405
11:14370
12:B985
13:9398
14:7617
15:60A5
16:4FB5
17:42A5
18:38HB
19:2I9I
20:2B05
21:245E
22:1K3B
23:1FD4
24:1BA5
25:17G5
26:144L
27:10QK
28:Q0L
29:O7I
30:MK5
31:L77
32:JTL
33:IOB
34:HM5
35:GN0
36:FQT