Erdős problem 1142 · problems.science

Are there infinitely many $n > 2$ such that $n - 2^k$ is prime for all $k \geq 1$ with $2^k < n$ ?

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10 retained statements2415f78e850a

FormalConjectures/ErdosProblems/

1142.lean

Retained formal statement4 of 10

$21$ satisfies the Erdős 1142 property: $21 - 2 = 19$ , $21 - 4 = 17$ , $21 - 8 = 13$ , $21 - 16 = 5$ .

FormalConjectures/ErdosProblems/1142.leanErdos1142.erdos_1142.test_211 lineExact file

1Erdos1142.Erdos1142Prop 21

TestStatement only, no proof