Category Archives: dates

Pi Month

The Americans have their Pi Day later this month – March 14th – 3.14, as they write the month then the date. We have our own “Approximate Pi Day” on 22nd July – 22/7 – a good approximation for Pi. But this year, we have “Pi Month” – March 2014 – 3.14. Enjoy every glorious […]

Happy New Year!

Happy New Year! 2014 as the product of its prime factors: 2 x 19 x 53 2014 is the sum of four consecutive digits: 502 + 503 + 504 + 505 2014 in binary: 11111011110 Here’s a little challenge for you mull over through the fog of a new year’s day hangover (or give to […]

11 12 13

Wednesday 11th December 2013 – 11 12 13, a very special day! It can, of course, be written as: n + 10 but it looks so much better as 11 12 13. And, at ten past nine, it’ll be 9:10 11 12 13 You won’t get another day like this for some time – the […]

Pythagoras Day

Thursday 5th December 2013 – 5 12 13 – is a Pythagoras Day. A Pythagorean triple is a set of 3 integers (whole numbers) a, b & c such that: a2 + b2 = c2 Pythagorean triples can be used to create right angled triangles, like the one above.  You can’t just use any three […]

What a day!

29th November 2013 – 29 11 13 – What a day! Its a prime day – all the numbers: 29 11 & 13 are prime But also: 291113 is a prime number And not only that, but if you write the date in the American format: month day year you get: 112913 which is also […]