Positive Integers » 20001-30000 » 21601-21700 » 21639

Divisors of the Positive Integer 21639

1, 3, 7213, 21639

Sum of all the Divisors of 21639, including itself

28856

Sum of the Proper Divisors of 21639

7217

Properties of the number 21639

The integer 21639 is an odd number.
The integer 21639 is a Composite number.
7217 is less than 21639, so 21639 is a deficient number.

The number 21639 as a Roman Numeral

_X_XMDCXXXIX (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 21639 in various Numeral Systems

Base Representation
2:101010010000111
3:1002200110
4:11102013
5:1143024
6:244103
7:120042
8:52207
9:32613
10:21639
11:15292
12:10633
13:9B07
14:7C59
15:6629
16:5487
17:46EF
18:3CE3
19:32HH
20:2E1J
21:2719
22:20FD
23:1HKJ
24:1DDF
25:19FE
26:1607
27:12IC
28:RGN
29:PL5
30:O19
31:MG1
32:L47
33:JSO
34:IOF
35:HN9
36:GP3