Golden Ratio Digits
The golden ratio has decimal expansion
(OEIS A001622). It can be computed to
digits of precision in 24 CPU-minutes on
modern hardware and was computed to
decimal
digits by A. J. Yee on Jul. 8, 2010.
The Earls sequence (starting position of
copies of the digit
) for
is given for
, 2, ... by 2, 62, 158, 1216, 72618,
2905357, 7446157, 41398949, 1574998166, ... (OEIS A224844).
The digit sequence 0123456789 does not occur in the first
digits of
, but 9876543210 does, starting at position
(E. Weisstein, Jul. 22,
2013).
Phi-primes, i.e.,
-constant
primes occur for 7, 13, 255, 280, 97241, ... (OEIS A064119)
decimal digits.
The starting positions of the first occurrence of
, 1, 2, ... in
the decimal expansion of
(including the
initial 1 and counting it as the first digit) are 5, 1, 20, 6, 12, 23, 2, 11, 4,
8, 232, ... (OEIS A088577).
Scanning the decimal expansion of
until all
-digit numbers have occurred, the last 1-, 2-, ...
digit numbers appearing are 5, 55, 515, 0092, 67799, 290503, ... (OEIS A000000),
which end at digits 23, 770, 5819, 93910, 1154766, 13192647, ... (OEIS A000000).
It is not known if
is normal,
but the following table giving the counts of digits in the first
terms shows
that the decimal digits are very uniformly distributed up to at least
.
| Sloane | 10 | 100 | |||||||||
| 0 | A000000 | 1 | 11 | 100 | 1020 | 9986 | 99805 | 1001143 | 10003332 | 100007840 | 1000031042 |
| 1 | A000000 | 1 | 9 | 105 | 1062 | 9963 | 99993 | 1000118 | 10000255 | 99999864 | 999990982 |
| 2 | A000000 | 0 | 11 | 116 | 994 | 9950 | 99529 | 1000776 | 10002116 | 100002106 | 1000005392 |
| 3 | A000000 | 2 | 9 | 88 | 1039 | 10079 | 99833 | 999794 | 9999184 | 99979352 | 999978183 |
| 4 | A000000 | 0 | 12 | 92 | 976 | 10041 | 100151 | 999367 | 9998797 | 99995481 | 999952470 |
| 5 | A000000 | 0 | 5 | 84 | 988 | 10016 | 100067 | 999725 | 9996151 | 99999934 | 1000032985 |
| 6 | A000000 | 1 | 9 | 104 | 918 | 9975 | 100328 | 999455 | 9996149 | 100004208 | 1000014191 |
| 7 | A000000 | 1 | 10 | 113 | 1025 | 9988 | 100160 | 1000852 | 9997524 | 100018237 | 1000023870 |
| 8 | A000000 | 3 | 15 | 105 | 987 | 10008 | 100236 | 1000059 | 10005419 | 99995223 | 999976728 |
| 9 | A000000 | 1 | 9 | 93 | 991 | 9994 | 99898 | 998711 | 10001073 | 99997755 | 999994157 |
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