Positive Integers » 20001-30000 » 21901-22000 » 21957

Divisors of the Positive Integer 21957

1, 3, 13, 39, 563, 1689, 7319, 21957

Sum of all the Divisors of 21957, including itself

31584

Sum of the Proper Divisors of 21957

9627

Properties of the number 21957

The integer 21957 is an odd number.
The integer 21957 is a Composite number.
9627 is less than 21957, so 21957 is a deficient number.

The number 21957 as a Roman Numeral

_X_XMCMLVII (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 21957 in various Numeral Systems

Base Representation
2:101010111000101
3:1010010020
4:11113011
5:1200312
6:245353
7:121005
8:52705
9:33106
10:21957
11:15551
12:10859
13:9CC0
14:8005
15:678C
16:55C5
17:47GA
18:3DDF
19:33FC
20:2EHH
21:27GC
22:2181
23:1IBF
24:1E2L
25:1A37
26:16CD
27:1336
28:1005
29:Q34
30:OBR
31:MQ9
32:LE5
33:K5C
34:IXR
35:HWC
36:GXX