Positive Integers » 20001-30000 » 21401-21500 » 21428

Divisors of the Positive Integer 21428

1, 2, 4, 11, 22, 44, 487, 974, 1948, 5357, 10714, 21428

Sum of all the Divisors of 21428, including itself

40992

Sum of the Proper Divisors of 21428

19564

Properties of the number 21428

The integer 21428 is an even number.
The integer 21428 is a Composite number.
19564 is less than 21428, so 21428 is a deficient number.

The number 21428 as a Roman Numeral

_X_XMCDXXVIII (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 21428 in various Numeral Systems

Base Representation
2:101001110110100
3:1002101122
4:11032310
5:1141203
6:243112
7:116321
8:51664
9:32348
10:21428
11:15110
12:10498
13:99A4
14:7B48
15:6538
16:53B4
17:4628
18:3C28
19:326F
20:2DB8
21:26C8
22:2060
23:1HBF
24:1D4K
25:1973
26:15I4
27:12AH
28:R98
29:PDQ
30:NO8
31:M97
32:KTK
33:JMB
34:II8
35:HH8
36:GJ8