31. Rational numbers have a finite Engel expansion, while irrational numbers have an infinite Engel expansion. 32. Not only rational numbers but irrational numbers too do have their characters which largely remain unexplored. 33. In this sense, therefore, it is the " most irrational " of all irrational numbers . 34. Such irrational numbers share a curious property : they have the same fractional part as their reciprocal. 35. Brun's constant could be an irrational number only if there are infinitely many twin primes. 36. Moreover, the repeated addition model must be substantially modified when irrational numbers are brought into play. 37. It has been suggested that Fibonacci relationships are not the only irrational number based relationships evident in waves. 38. The numbers which do not terminate and are not recurring are, as mentioned, the irrational numbers . 39. Then ? is a quadratic irrational number , and its representation as a regular continued fraction is periodic. 40. Irrational numbers can't be added with the right-to-left algorithm learned in school.
