A centered heptagonal prime is a centered heptagonal number that is prime. The first few centered heptagonal primes are
- 43, 71, 197, 463, 547, 953, 1471, 1933, 2647, 2843, 3697, ... (sequence A144974 in OEIS)
and centered heptagonal twin prime numbers are
- 43, 71, 197, 463, 1933, 5741, 8233, 9283, 11173, 14561, 34651, ... (sequence A144975 in OEIS).
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