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math.NT2015★ 1 cited
The class number formula for imaginary quadratic fields
Joseph Lewittes
It is shown that the class number for negative discriminant can be expressed in terms of the base expansions of reduced fractions , where is an integer p…
math.NT2006★ 15 cited
Midy's Theorem for Periodic Decimals
Joseph Lewittes
The decimal expansion of 1/7 is 0.142857142857..., the block 142857 repeating forever. We call 142857 the period and its length is 6 = 2x3. If the period is broken into 2 pieces ea…