Positive Integers » 70001-80000 » 71901-72000 » 71991

Divisors of the Positive Integer 71991

1, 3, 9, 19, 57, 171, 421, 1263, 3789, 7999, 23997, 71991

Sum of all the Divisors of 71991, including itself

109720

Sum of the Proper Divisors of 71991

37729

Properties of the number 71991

The integer 71991 is an odd number.
The integer 71991 is a Composite number.
37729 is less than 71991, so 71991 is a deficient number.

The number 71991 as a Roman Numeral

_L_X_XMCMXCI (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 71991 in various Numeral Systems

Base Representation
2:10001100100110111
3:10122202100
4:101210313
5:4300431
6:1313143
7:416613
8:214467
9:118670
10:71991
11:4A0A7
12:357B3
13:269CA
14:1C343
15:164E6
16:11937
17:EB1D
18:C639
19:A980
20:8JJB
21:7G53
22:6GG7
23:5L21
24:54NF
25:4F4G
26:42CN
27:3HK9
28:37N3
29:2RHD
30:2JTL
31:2CS9
32:269N
33:203I
34:1S9D
35:1NQV
36:1JJR