82nd chen prime is 647

82nd chen prime is 647.

647 is 82nd chen prime.

Learn more about Chen primes.

Neighbours#

521₇	541₁₀	557₁₀	563₁₃	569₉
571₈	577₁₂	587₉	599₁₁	617₁₀
631₇	641₁₅	647₁₆	653₁₄	659₉
677₇	683₁₁	701₇	719₉	743₉
751₈	761₁₀	769₁₄	787₇	797₁₂

Compare with#

521₇	541₁₀	557₁₀	563₁₃	569₉
571₈	577₁₂	587₉	599₁₁	617₁₀
631₇	641₁₅	647₁₆	653₁₄	659₉
677₇	683₁₁	701₇	719₉	743₉
751₈	761₁₀	769₁₄	787₇	797₁₂

Learn more about Chen primes
Check first 100 chen primes
Check chen primes up to 1000
Check all chen primes

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