Positive Integers » 20001-30000 » 21601-21700 » 21689

Divisors of the Positive Integer 21689

1, 23, 41, 529, 943, 21689

Sum of all the Divisors of 21689, including itself

23226

Sum of the Proper Divisors of 21689

1537

Properties of the number 21689

The integer 21689 is an odd number.
The integer 21689 is a Composite number.
1537 is less than 21689, so 21689 is a deficient number.

The number 21689 as a Roman Numeral

_X_XMDCLXXXIX (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 21689 in various Numeral Systems

Base Representation
2:101010010111001
3:1002202022
4:11102321
5:1143224
6:244225
7:120143
8:52271
9:32668
10:21689
11:15328
12:10675
13:9B45
14:7C93
15:665E
16:54B9
17:470E
18:3CGH
19:331A
20:2E49
21:273H
22:20HJ
23:1I00
24:1DFH
25:19HE
26:1625
27:12K8
28:RIH
29:PMQ
30:O2T
31:MHK
32:L5P
33:JU8
34:IPV
35:HOO
36:GQH