the nth Ramanujan prime R_n is the least integer such that for all x ≥ R_n, π(x) − π(x/2) ≥ n
E1094037
UNEXPLORED
A Ramanujan prime is a special kind of prime number that guarantees, from a certain point onward, at least a specified number of primes in every interval between x/2 and x.
All labels observed (1)
| Label | Occurrences |
|---|---|
| the nth Ramanujan prime R_n is the least integer such that for all x ≥ R_n, π(x) − π(x/2) ≥ n canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T14334478 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: the nth Ramanujan prime R_n is the least integer such that for all x ≥ R_n, π(x) − π(x/2) ≥ n Context triple: [Ramanujan prime, definition, the nth Ramanujan prime R_n is the least integer such that for all x ≥ R_n, π(x) − π(x/2) ≥ n]
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A.
R2N
R2N is the symbol used to designate the R2 Nord commuter rail line in the Barcelona suburban railway network.
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B.
R^nRS
R^nRS is the conventional notation for the successive Revised Reports on the Algorithmic Language Scheme, denoting the nth formal revision of the Scheme language specification.
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C.
RN6
RN6 is a former designation for a national road that has since been renumbered or reclassified within the road network.
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D.
RANR
RANR is the Royal Australian Naval Reserve, the volunteer reserve force that supports the Royal Australian Navy with trained personnel for both peacetime and operational duties.
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E.
RNR
RNR is the abbreviation for the Royal Naval Reserve, the volunteer reserve force of the United Kingdom’s Royal Navy.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: the nth Ramanujan prime R_n is the least integer such that for all x ≥ R_n, π(x) − π(x/2) ≥ n Target entity description: A Ramanujan prime is a special kind of prime number that guarantees, from a certain point onward, at least a specified number of primes in every interval between x/2 and x.
-
A.
R2N
R2N is the symbol used to designate the R2 Nord commuter rail line in the Barcelona suburban railway network.
-
B.
R^nRS
R^nRS is the conventional notation for the successive Revised Reports on the Algorithmic Language Scheme, denoting the nth formal revision of the Scheme language specification.
-
C.
RN6
RN6 is a former designation for a national road that has since been renumbered or reclassified within the road network.
-
D.
RANR
RANR is the Royal Australian Naval Reserve, the volunteer reserve force that supports the Royal Australian Navy with trained personnel for both peacetime and operational duties.
-
E.
RNR
RNR is the abbreviation for the Royal Naval Reserve, the volunteer reserve force of the United Kingdom’s Royal Navy.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
Ramanujan prime
→
definition
→
the nth Ramanujan prime R_n is the least integer such that for all x ≥ R_n, π(x) − π(x/2) ≥ n
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