Positive Integers » 20001-30000 » 21901-22000 » 21979

Divisors of the Positive Integer 21979

1, 31, 709, 21979

Sum of all the Divisors of 21979, including itself

22720

Sum of the Proper Divisors of 21979

741

Properties of the number 21979

The integer 21979 is an odd number.
The integer 21979 is a Composite number.
741 is less than 21979, so 21979 is a deficient number.

The number 21979 as a Roman Numeral

_X_XMCMLXXIX (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 21979 in various Numeral Systems

Base Representation
2:101010111011011
3:1010011001
4:11113123
5:1200404
6:245431
7:121036
8:52733
9:33131
10:21979
11:15571
12:10877
13:A009
14:801D
15:67A4
16:55DB
17:480F
18:3DF1
19:33GF
20:2EIJ
21:27HD
22:2191
23:1ICE
24:1E3J
25:1A44
26:16D9
27:1341
28:100R
29:Q3Q
30:OCJ
31:MR0
32:LER
33:K61
34:J0F
35:HWY
36:GYJ