Positive Integers » 20001-30000 » 21601-21700 » 21663

Divisors of the Positive Integer 21663

1, 3, 9, 29, 83, 87, 249, 261, 747, 2407, 7221, 21663

Sum of all the Divisors of 21663, including itself

32760

Sum of the Proper Divisors of 21663

11097

Properties of the number 21663

The integer 21663 is an odd number.
The integer 21663 is a Composite number.
11097 is less than 21663, so 21663 is a deficient number.

The number 21663 as a Roman Numeral

_X_XMDCLXIII (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 21663 in various Numeral Systems

Base Representation
2:101010010011111
3:1002201100
4:11102133
5:1143123
6:244143
7:120105
8:52237
9:32640
10:21663
11:15304
12:10653
13:9B25
14:7C75
15:6643
16:549F
17:46G5
18:3CF9
19:3303
20:2E33
21:272C
22:20GF
23:1HLK
24:1DEF
25:19GD
26:1615
27:12J9
28:RHJ
29:PM0
30:O23
31:MGP
32:L4V
33:JTF
34:IP5
35:HNX
36:GPR