Category Archives: dates

31813

By A Maths Teacher | Published: 31/08/2013

31st August ’13 – 31 8 13 – another palindromic date. Enjoy! Related posts: Another Palindromic Date 31513 Palindromic, Prime and Other Dates A(nother) Special Day

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Today – The Root of All Evil!

By A Maths Teacher | Published: 25/08/2013

If 666 – the number of the beast – symbolises all that is evil, the square root of 666 must be the root of all evil. √666 = 25.8 (to 1 decimal place) and today is the 25th of August, or 25.8 So today is the root of all evil day. [Should you be worried? […]

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Approximate Pi Day

By A Maths Teacher | Published: 22/07/2013

Happy Approximate Pi Day! 22nd July – 22/7 A reasonable approximation for Pi – good to 2 decimal places. If you want a better approximation for Pi you could use 333/106 which is good to 4 decimal places, or, for even more accuracy, use 355/113 which is good to 6 decimal places. But you can’t […]

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17713

By A Maths Teacher | Published: 16/07/2013

Wednesday 17th July 2013 – another prime day! 17713 is prime as are all the individual components: 17, 7, 13 And it works in America too! Writing the month, day, year still yields a prime number 71713 It’s the last UK Prime Day until November (America get another prime day on 23 July – 72313) […]

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2 7 13

By A Maths Teacher | Published: 02/07/2013

Another Prime Day! It’s the 2nd July 2013 – 2 7 13 – which makes it another prime day! All the individual elements of the date: 2, 7 & 13, are prime numbers and 2713 is a prime number, too! And for our American readers … And for those of you in America who insist […]

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