Statements (14)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:integral
gptkb:mathematical_concept |
| gptkbp:definedIn |
an odd natural number k such that k·2^n−1 is composite for all natural numbers n
|
| gptkbp:firstDescribed |
1956
|
| gptkbp:hasSmallestKnownValue |
509203
|
| gptkbp:hasSubgroup |
odd natural numbers
|
| https://www.w3.org/2000/01/rdf-schema#label |
Riesel number
|
| gptkbp:namedAfter |
gptkb:Hans_Riesel
|
| gptkbp:numberOfIssues |
gptkb:Riesel_problem
|
| gptkbp:relatedTo |
gptkb:Sierpinski_number
|
| gptkbp:sequence |
A059804
|
| gptkbp:studiedIn |
number theory
|
| gptkbp:bfsParent |
gptkb:Sierpiński_number
|
| gptkbp:bfsLayer |
6
|