21228th chen prime is 670001

21228th chen prime is 670001.

670001 is 21228th chen prime.

Learn more about Chen primes.

Neighbours#

669677₇	669701₈	669707₅	669791₅	669847₇
669857₁₂	669869₆	669887₄	669937₇	669947₇
669971₄	669989₆	670001₅	670037₇	670049₄
670097₅	670099₅	670139₆	670193₇	670211₉
670321₆	670379₄	670409₄	670457₅	670487₆

Compare with#

Learn more about Chen primes
Check first 1000 chen primes
Check chen primes up to 10000
Check all chen primes

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