Famous Numbers

What’s inside

• What is the exact value of the Basel problem sum 1 + 1/2² + 1/3² + ...?
• Which limit defines the number e?
• Which equation uniquely characterizes the positive golden ratio φ?
• Which expression defines the Euler–Mascheroni constant γ?
• Which infinite series represents Catalan’s constant G?
• The first Feigenbaum constant δ is approximately equal to which value?
• The number π is transcendental.
• The number e is irrational.