'n Heelgetal word as 'n ewe getal bepaal as dit deelbaar deur twee is. Wanneer dit in basis 10 geskryf word, sal alle veelvoude van 2 eindig op 0, 2, 4, 6 of 8.[1]
Lys van basiese berekeninge
wysig
Deling
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
4 ÷ x
|
4
|
2
|
1.333
|
1
|
0.800
|
0.667
|
0.571
|
0.500
|
0.444
|
0.400
|
|
0.364
|
0.333
|
0.308
|
0.286
|
0.267
|
0.250
|
0.235
|
0.222
|
0.211
|
0.200
|
x ÷ 4
|
0.250
|
0.500
|
0.750
|
1
|
1.250
|
1.500
|
1.750
|
2
|
2.250
|
2.500
|
|
2.750
|
3
|
3.250
|
3.500
|
3.750
|
4
|
4.250
|
4.500
|
4.750
|
5
|
Magsverheffing
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
4x
|
4
|
16
|
64
|
256
|
1024
|
4096
|
16384
|
65536
|
262144
|
1048576
|
|
4194304
|
16777216
|
67108864
|
268435456
|
1073741824
|
4294967296
|
17179869184
|
68719476736
|
274877906944
|
1099511627776
|
x4
|
1
|
16
|
81
|
256
|
625
|
1296
|
2401
|
4096
|
6561
|
10000
|
|
14641
|
20736
|
28561
|
38416
|
50625
|
65536
|
83521
|
104976
|
130321
|
160000
|