• 摘要视图
  • 目录视图

Problem 50 Consecutive prime sum

Problem 49 Prime permutations

Problem 48 Self powers

Problem 47 Distinct primes factors

Problem 46 Goldbach’s other conjecture

Problem 45 Triangular, pentagonal, and hexagonal

Problem 43 Sub-string divisibility

Problem 42 Coded triangle numbers

Problem 41 Pandigital prime

Problem 40 Champernowne’s constant

Problem 39 Integer right triangles

Problem 38 Pandigital multiples

Problem 37 Truncatable primes

Problem 36 Double-base palindromes

Problem 35 Circular primes