Positive Integers » 20001-30000 » 21801-21900 » 21897

Divisors of the Positive Integer 21897

1, 3, 9, 27, 811, 2433, 7299, 21897

Sum of all the Divisors of 21897, including itself

32480

Sum of the Proper Divisors of 21897

10583

Properties of the number 21897

The integer 21897 is an odd number.
The integer 21897 is a Composite number.
10583 is less than 21897, so 21897 is a deficient number.

The number 21897 as a Roman Numeral

_X_XMDCCCXCVII (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 21897 in various Numeral Systems

Base Representation
2:101010110001001
3:1010001000
4:11112021
5:1200042
6:245213
7:120561
8:52611
9:33030
10:21897
11:154A7
12:10809
13:9C75
14:7DA1
15:674C
16:5589
17:47D1
18:3DA9
19:33C9
20:2EEH
21:27DF
22:2157
23:1I91
24:1E09
25:1A0M
26:16A5
27:1310
28:RQ1
29:Q12
30:O9R
31:MOB
32:LC9
33:K3I
34:IW1
35:HUM
36:GW9