43

This number is a prime.

Just showing those entries submitted by 'Post': (Click here to show all)

+ The (4*3)th lucky number. [Post]

+ 43 is the fourth Centered Heptagonal (7-gonal) Number. Note that 4 + 3 = 7. [Post]

+ Although Barack H. Obama said in his Inauguration Address: "Forty-four Americans have now taken the presidential oath," the number is actually 43, as Stephen Grover Cleveland was both the twenty-second and twenty-fourth President of the United States. [Post]

+ The largest prime "p" root vector parameter of any of the 99 subgroups of E_8 found by Mathematica computation of M.K. Ahsan and T. Hubsch, namely the subgroup SO_14 X SU_2. [Post]

+ Largest known prime partial sum of number of positive knots with n crossings: 0 + 0 + 1 + 0 + 1 + 0 + 1 + 1 + 1 + 3 + 2 + 7 + 9 + 17 = 43. [Post]

+ Smallest prime partial sum of tricapped prism numbers. [Post]

(There are 4 curios for this number that have not yet been approved by an editor.)

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