Palindromic primes are prime numbers whose decimal expansion is a
palindrome - reads the same forwards and backwards. The series of palindromic primes proceeds: 2, 3, 5, 7, 11, 101, 131 ... and continues through to: ... 919, 929, 10301, 10501 ... Why are there no four digit palindromic primes?
Palindromic primes are prime numbers whose decimal expansion is a
palindrome - reads the same forwards and backwards. The series of palindromic primes proceeds: 2, 3, 5, 7, 11, 101, 131 ... and continues through to: ... 919, 929, 10301, 10501 ... Why are there no four digit palindromic primes?
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