Feigenbaum's Constant

4.669211660910299067185320

Feigenbaum’s constant describes the order found in chaos. So there IS method to the madness!
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Enter the Biggest Brawl of all time. Dr B. and Dr. T lead you through the ultimate conflict: The universe's greatest mathematical constants going head to head.

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Feigenbaum's Constant

4.669211660910299067185320

Feigenbaum’s constant describes the order found in chaos. So there IS method to the madness!
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Madelung's Constant

-1.7475645946331821

How much energy would you need to break apart a single crystal of salt? Madelung’s constant holds the key!
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The First Surd

1.414213562373095048801688

Root 2 is a radical that redefined and expanded what math could do and what it could be. It is probably the first known irrational number, and it is the first known root.
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The Exponential Constant

2.718281828459045235360287

e has mad influence in logarithms, architecture, business calculations, population growth, and much more. If you aren’t already a fan, he is sure to grow on you.
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Archimedes' Constant

3.141592653589793238462643

Pi may be ancient, but the worldwide obsession is still alive. This mistress of circles is the subject of various books, movies, memory contests, and tests of computing power.
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Chaitin's Binary Constant

0.007875474041752057

A modern computational probability that has broad implications about the complexity of the universe.
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Planck's Constant

6.62606 x 10^{-34}

Originally, we thought that light was merely a wave, but Planck’s blackbody radiation experiments reveal that light also acts like a particle. Planck’s constant caused a revolution in light theory.
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Euler's Constant

0.5772156649015329

The Harmonic Series, a subtle giant, is a sum who lazily wanders off to infinity. When he gets suddenly attacked by the natural log, all that remains of the fierce battle is Euler's constant gamma.
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The Natural Logarithm

0.6931471805599453

The natural logarithm of 2 has the magic power of doubling. Whether you are talking about cell growth, population growth, decay, the continuous growth of money, or the effects of inflation, log_{e}2 makes its mark.
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The Common Logarithm

2.30258509299405

Logarithms revolutionized astronomy, mapping, navigation, and general computation. Your ears and eyes respond logarithmically to loudness and brightness. Log base 10 is far from being common.
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Apéry’s Constant

1.202056903159594285399738

This constant is active in scattered areas of math, and is a close relative of the Riemann Hypothesis. A million dollar prize is being offered to the first clever mathematician to prove this hypothesis.
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The Golden Ratio

1.618033988749894848204586

Appearing everywhere from the Parthenon to Penrose tilings to pinecones, pansies, and pineapples, the golden ratio pervades nature, art, and architecture.
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