Statements (16)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:integral
|
| gptkbp:defines |
an odd natural number k such that k·2^n + 1 is composite for all natural numbers n
|
| gptkbp:field |
gptkb:mathematics
number theory |
| gptkbp:firstKnownValue |
78557
|
| https://www.w3.org/2000/01/rdf-schema#label |
Sierpiński number
|
| gptkbp:isA |
gptkb:mathematical_concept
number theory concept |
| gptkbp:namedAfter |
gptkb:Wacław_Sierpiński
|
| gptkbp:openProblem |
gptkb:Sierpiński_problem
|
| gptkbp:property |
no value of n makes k·2^n + 1 prime
|
| gptkbp:relatedTo |
gptkb:Prime_Number
gptkb:Riesel_number |
| gptkbp:sequence |
k·2^n + 1
|
| gptkbp:bfsParent |
gptkb:Wacław_Sierpiński
|
| gptkbp:bfsLayer |
5
|