WOLFRAM|DEMONSTRATIONS PROJECT

Copeland-Erdos and Champernowne Numbers for Small Bases

​
number
Copeland-Erdos
Champernowne
concatenate
terms
reversed terms
parity of base
even
odd
terms
6
base
representation
2
0.101110111110111101
4
0.2311132331
6
0.235111521
8
0.23571315
10
0.23571113
12
0.2357b11
14
0.2357bd
16
0.2357bd
18
0.2357bd
20
0.2357bd
22
0.2357bd
24
0.2357bd
26
0.2357bd
28
0.2357bd
30
0.2357bd
32
0.2357bd
34
0.2357bd
36
0.2357bd
The Copeland–Erdos and Champernowne numbers for small bases are shown. They are formed by concatenating the sequences of positive integers and of primes, represented in base
b
. Both definitions can be modified by requiring the base b representations to be reversed.