2 ms·
In 2004, Liechtenstein issued a postage stamp with the 39th Mersenne prime number (2^13466917-1), this is the picture from a mathematical stamps collection: htt
by rsiqueira 14y ago
In 2004, Liechtenstein issued a postage stamp with the 39th Mersenne prime number (2^13466917-1), this is the picture from a mathematical stamps collection:
http://stamps.postbit.com/photos/math-stamps-collection/liechtenstein-math-stamp-2004-prime-number-mersenne.html http://stamps.postbit.com/photos/math-stamps-collection/liec...