In mathematics, a prime number p is called a Chen prime if p + 2 is either a prime or a product of two primes (also called a semiprime). The even number...

This is a list of articles about prime numbers. A prime number (or prime) is a natural number greater than 1 that has no positive divisors other than...

including Chen's theorem and the Chen prime. Chen was the third son in a large family from Fuzhou, Fujian, China. His father was a postal worker. Chen Jingrun...

821 = prime number, twin prime, Chen prime, Eisenstein prime with no imaginary part, lazy caterer number (sequence A000124 in the OEIS), prime quadruplet...

consecutive primes (173 + 179 + 181 + 191 + 193) 918 = 2 × 33 × 17, Harshad number 919 = prime number, cuban prime, prime index prime, Chen prime, palindromic...

401 is a prime number, tetranacci number, Chen prime, prime index prime Eisenstein prime with no imaginary part Sum of seven consecutive primes (43 + 47...

accepted to be 666) 617 = prime number, sum of five consecutive primes (109 + 113 + 127 + 131 + 137), Chen prime, Eisenstein prime with no imaginary part...

Commercial Airplanes. 701 = prime number, sum of three consecutive primes (229 + 233 + 239), Chen prime, Eisenstein prime with no imaginary part 702 =...

is: a prime number. a safe prime. the sum of three consecutive primes (163 + 167 + 173). the sum of the cubes of the first four primes. a Chen prime an Eisenstein...

prime is a prime that has a prime gap of two. Sometimes the term twin prime is used for a pair of twin primes; an alternative name for this is prime twin...