Do You Know

31 December, 2023:

12 July, 2023:

12 September, 2022:

14 March, 2022:

11 November, 2021:

12 April, 2021:

17 June, 2020:

14 December, 2019:

15 September, 2019:

28 November, 2018:

17 December, 2017:

30 October, 2016:

(Comments by Al Zimmermann dt 04-05-2017 )

The decimal expansions for 1/27 and 1/37 are as shown above because 27 × 37 = 999.
Another example would be:
1/271 = .00369 00369 00369 …
1/369 = .00271 00271 00271 …
because 271 × 369 = 99999.

4 November, 2015:

7 July, 2015:

6 October, 2014:

25 December, 2013:

15 July, 2013:

13 November, 2012:

6 February, 2011:

26 January, 2010:

10 May, 2009:

18 January, 2009:

30 December, 2007:

14 July, 2007:

26 January, 2007:

25 October, 2006:

(Comments by Al Zimmermann dt 01-05-2017 )

This fraction contains Fibonacci numbers up to 3 digits in length.
This can be generalized as follows::
The fraction 1/(10^2n-10^n-1) contains Fibonacci numbers up to n digits in length.
If n = 3, the fraction is 1 / (1000000 – 1000 – 1) = 1/998999.
For n = 4, the fraction is 1/99989999 = .0000000100010002000300050008001300210034005500890144….
The n leading zeroes in the decimal expansion can be considered the 0th term in the Fibonacci series or they can be removed by changing the fractions numerator to 10^n:
10000/99989999 = .000100010002000300050008001300210034005500890144….

15 January, 2006:

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1 March, 2003:

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6 January, 2002:

31 December, 2001:

23 December, 2001:

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9 December, 2001:

30 November, 2001:

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