Centered Decagonal Primes

A centered decagonal number is a centered figurate number that represents a decagon with a dot in the center and all other dots surrounding the center dot in successive decagonal layers. The centered decagonal number for n is given by the formula: 5n2+5n+1

Centered decagonal primes are such numbers which are also primes.

First 20: 11, 31, 61, 101, 151, 211, 281, 661, 911, 1051, 1201, 1361, 1531, 1901, 2311, 2531, 3001, 3251, 3511, 4651

Checkout list of first: 10, 50, 100, 500 centered decagonal primes. You can also check all centered decagonal primes.

Checkout centered decagonal primes up to: 100, 500, 1000, 10000.

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