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Practical numbers home page A 5-uple of practical numbers is a 5-uple (m-6, m-2, m, m+2, m+6) of numbers, all practicals. It is unknown whether there exist infinitely many such 5-uples. This list shows practical numbers m such that m-6, m-2, m+2, and m+6 are practical.
|
1 |
18 |
|
2 |
30 |
|
3 |
198 |
|
4 |
306 |
|
5 |
462 |
|
6 |
1482 |
|
7 |
2550 |
|
8 |
4422 |
|
9 |
17298 |
|
10 |
23322 |
|
11 |
23550 |
|
12 |
40350 |
|
13 |
52578 |
|
14 |
67938 |
|
15 |
88506 |
|
16 |
92202 |
|
17 |
96222 |
|
18 |
123006 |
|
19 |
131070 |
|
20 |
219102 |
|
21 |
226182 |
|
22 |
237690 |
|
23 |
277506 |
|
24 |
312702 |
|
25 |
359658 |
|
26 |
432822 |
|
27 |
526878 |
|
28 |
533370 |
|
29 |
584166 |
|
30 |
659934 |
|
31 |
1032858 |
|
32 |
1051650 |
|
33 |
1140414 |
|
34 |
1142658 |
|
35 |
1243170 |
|
36 |
1255422 |
Go to table of twin practical numbers