Positive Integers » 20001-30000 » 21401-21500 » 21487

Divisors of the Positive Integer 21487

1, 21487

Sum of all the Divisors of 21487, including itself

21488

Sum of the Proper Divisors of 21487

1

Properties of the number 21487

The integer 21487 is an odd number.
The integer 21487 is a Prime number.
1 is less than 21487, so 21487 is a deficient number.

The number 21487 as a Roman Numeral

_X_XMCDLXXXVII (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 21487 in various Numeral Systems

Base Representation
2:101001111101111
3:1002110211
4:11033233
5:1141422
6:243251
7:116434
8:51757
9:32424
10:21487
11:15164
12:10527
13:9A1B
14:7B8B
15:6577
16:53EF
17:465G
18:3C5D
19:329H
20:2DE7
21:26F4
22:208F
23:1HE5
24:1D77
25:199C
26:15KB
27:12CM
28:RBB
29:PFR
30:NQ7
31:MB4
32:KVF
33:JO4
34:IJX
35:HIW
36:GKV