Definition:Copeland-Erdős Constant

Definition
The Copeland-Erdős constant is the real number whose decimal expansion is formed by concatenating the prime numbers in ascending order:
 * $C_{10} = 0 \cdotp 23571 \, 11317 \, 19232 \, 93137 \, 4143 \ldots$

Also see

 * Copeland-Erdős Constant is Normal