Positive Integers » 20001-30000 » 20801-20900 » 20857

Divisors of the Positive Integer 20857

1, 20857

Sum of all the Divisors of 20857, including itself

20858

Sum of the Proper Divisors of 20857

1

Properties of the number 20857

The integer 20857 is an odd number.
The integer 20857 is a Prime number.
1 is less than 20857, so 20857 is a deficient number.

The number 20857 as a Roman Numeral

_X_XDCCCLVII (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 20857 in various Numeral Systems

Base Representation
2:101000101111001
3:1001121111
4:11011321
5:1131412
6:240321
7:114544
8:50571
9:31544
10:20857
11:14741
12:100A1
13:9655
14:785B
15:62A7
16:5179
17:442F
18:3A6D
19:30EE
20:2C2H
21:2564
22:1L21
23:1G9J
24:1C51
25:1897
26:14M5
27:11GD
28:QGP
29:ON6
30:N57
31:LLP
32:KBP
33:J51
34:I1F
35:H0W
36:G3D