Positive Integers » 20001-30000 » 21901-22000 » 21961

Divisors of the Positive Integer 21961

1, 21961

Sum of all the Divisors of 21961, including itself

21962

Sum of the Proper Divisors of 21961

1

Properties of the number 21961

The integer 21961 is an odd number.
The integer 21961 is a Prime number.
1 is less than 21961, so 21961 is a deficient number.

The number 21961 as a Roman Numeral

_X_XMCMLXI (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 21961 in various Numeral Systems

Base Representation
2:101010111001001
3:1010010101
4:11113021
5:1200321
6:245401
7:121012
8:52711
9:33111
10:21961
11:15555
12:10861
13:9CC4
14:8009
15:6791
16:55C9
17:47GE
18:3DE1
19:33FG
20:2EI1
21:27GG
22:2185
23:1IBJ
24:1E31
25:1A3B
26:16CH
27:133A
28:1009
29:Q38
30:OC1
31:MQD
32:LE9
33:K5G
34:IXV
35:HWG
36:GY1