Positive Integers » 20001-30000 » 20901-21000 » 20989

Divisors of the Positive Integer 20989

1, 139, 151, 20989

Sum of all the Divisors of 20989, including itself

21280

Sum of the Proper Divisors of 20989

291

Properties of the number 20989

The integer 20989 is an odd number.
The integer 20989 is a Composite number.
291 is less than 20989, so 20989 is a deficient number.

The number 20989 as a Roman Numeral

_X_XCMLXXXIX (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 20989 in various Numeral Systems

Base Representation
2:101000111111101
3:1001210101
4:11013331
5:1132424
6:241101
7:115123
8:50775
9:31711
10:20989
11:14851
12:10191
13:9727
14:7913
15:6344
16:51FD
17:44AB
18:3AE1
19:312D
20:2C99
21:25CA
22:1L81
23:1GFD
24:1CAD
25:18EE
26:1517
27:11LA
28:QLH
29:ORM
30:N9J
31:LQ2
32:KFT
33:J91
34:I5B
35:H4O
36:G71