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Old 03-01-2010, 08:32 AM   #2794
WT Sharpe
Bah, humbug!
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Quote:
Originally Posted by Godzil View Post
This is my 1111th post ! YaY
Wow! That's the sum of the digits of the first 100 primes! Congrats!

Also, 1111 = 11 * 101 in base 10 and in base 2, where 11 and 101 are both prime in base 10 and base 2!

Source: http://primes.utm.edu/curios/page.php/1111.html

PS: I checked the base 10/base 2 curiosity. In base 10 notation, that would be 15 = 3 x 5. I'll leave to someone more ambitious to check whether 1111 = the sum of the first hundred primes!

Last edited by WT Sharpe; 03-01-2010 at 08:44 AM.
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