Definition:Copeland-Erdős Constant

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The Copeland-Erdős constant is the real number whose decimal expansion is formed by concatenating the prime numbers in ascending order:

$C_{10} = 0 \cdotp 23571 \, 11317 \, 19232 \, 93137 \, 4143 \ldots$

This sequence is A033308 in the On-Line Encyclopedia of Integer Sequences (N. J. A. Sloane (Ed.), 2008).

Also known as

The Copeland-Erdős constant is also known as the Copeland-Erdős number

Also see

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Source of Name

This entry was named for Arthur Herbert Copeland and Paul Erdős.