169 days to the Olympic Games in Beijing - at least it will be on the day this article is published.
Two things strike me about this.
(1) The interlocking rings - most people are aware that the Olympic rings represent the 5 colours found in the flags of countries around the world. While they are interlocking to represent the unity achieved in sporting challenge.
That got me thinking about other interlocking rings.
The picture on the right shows 'Borromean rings'. Named after the rings on the coat of arms of the Borromeo family from Italy, although there are many examples of this arrangement much further back in time.
The interesting feature is that the rings do not actually interlock. The green ring is in front of the red ring, which is in front of the blue ring, which in turn is in front of the green ring. If you take away one ring the other two fall apart as well.
This symbol has been used across many cultures, often to represent a trinity of some sort, as for example happens in the Shinto belief-system with three realms - heaven, earth and the underworld.
(2) The number 169 - is both the sum of the seven prime numbers starting at
13 (13 + 17 + 19 + 23 + 29 + 31 + 37) and the square of
13 (13 * 13).
It can be seen in the computer game 'Guitar Hero' on scoreboards alongside the number 666 (supposedly the mark of Satan). If you turn the number 666 upside-down you get 999 and 13 divides exactly into 999,999.
The number 247 is the first whole number to be both divisible by 13 and have its digits add up to 13. Of course, 24/7 is a way of saying things go on all day and every day.
Let's hope that there's no real significance in all these numbers coming together this way.
And what's the point of all this? Whatever you want to take away having read this far.