Helen G. Grundman
Encyclopedia
Helen G. Grundman is a professor of mathematics
Mathematics
Mathematics is the study of quantity, space, structure, and change. Mathematicians seek out patterns and formulate new conjectures. Mathematicians resolve the truth or falsity of conjectures by mathematical proofs, which are arguments sufficient to convince other mathematicians of their validity...

 at Bryn Mawr College
Bryn Mawr College
Bryn Mawr College is a women's liberal arts college located in Bryn Mawr, a community in Lower Merion Township, Pennsylvania, ten miles west of Philadelphia. The name "Bryn Mawr" means "big hill" in Welsh....

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In 1994 Grundman proved that sequences of more than 20 consecutive Harshad numbers in base 10 do not exist. Grundman also found the smallest sequence of 20 such numbers. Each number in this sequence has more than 44 billion digits.

External links

  • Faculty profile at Bryn Mawr
  • Helen Grundman at the Mathematics Genealogy Project
    Mathematics Genealogy Project
    The Mathematics Genealogy Project is a web-based database for the academic genealogy of mathematicians. As of September, 2010, it contained information on approximately 145,000 mathematical scientists who contribute to "research-level mathematics"...

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