Positive Integers » 20001-30000 » 21601-21700 » 21688

Divisors of the Positive Integer 21688

1, 2, 4, 8, 2711, 5422, 10844, 21688

Sum of all the Divisors of 21688, including itself

40680

Sum of the Proper Divisors of 21688

18992

Properties of the number 21688

The integer 21688 is an even number.
The integer 21688 is a Composite number.
18992 is less than 21688, so 21688 is a deficient number.

The number 21688 as a Roman Numeral

_X_XMDCLXXXVIII (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 21688 in various Numeral Systems

Base Representation
2:101010010111000
3:1002202021
4:11102320
5:1143223
6:244224
7:120142
8:52270
9:32667
10:21688
11:15327
12:10674
13:9B44
14:7C92
15:665D
16:54B8
17:470D
18:3CGG
19:3319
20:2E48
21:273G
22:20HI
23:1HMM
24:1DFG
25:19HD
26:1624
27:12K7
28:RIG
29:PMP
30:O2S
31:MHJ
32:L5O
33:JU7
34:IPU
35:HON
36:GQG