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The sum of the first 106 digits of is prime. [Sellers] 106^{2}(53^{2}2^{2}) is prime, where 53 and 2 are prime factors of 106. [Bajpai] 106^106105^105 is prime. [Dobb] The first occurrence of over 100 successive nonsemiprimes (52382809475238281052). [Luhn] The smallest multidigit invertible semiprime. Note that it ends with the smallest singledigit invertible semiprime. [Capelle]
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