Definition:Copeland-Erdős Constant
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Definition
The Copeland-Erdős constant is the real number whose decimal expansion is formed by concatenating the prime numbers in ascending order:
- $C_{10} = 0 \cdotp 23571 \, 11317 \, 19232 \, 93137 \, 4143 \ldots$
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
- Results about Copeland-Erdős constant can be found here.
Source of Name
This entry was named for Arthur Herbert Copeland and Paul Erdős.
Sources
- 1946: A.H. Copeland and P. Erdős: Note on Normal Numbers (Bull. Amer. Math. Soc. Vol. 52: pp. 857 – 860)
- 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): Copeland-Erdős number