Partial Glossary Index: ab

• absolute prime
  
• abundant number
  
• admissible k-tuple
  
• algebraic number
  
• aliquot
      aliquot cycle
      aliquot sequence
  
• almost all
      almost every
  
• amicable
      amicable number
  
• arithmetic progression
      arithmetic sequence
  
• asymptotic to
      asymptotically
      asymptotically equal
  
• base
  
• Beal's conjecture
  
• Benford's law
  
• Bernoulli number
  
• Bertrand's postulate
  
• big-O
      big-oh
  
• Brun's constant