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 |
Referenced by (1)
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Ramanujan prime
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definition
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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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