5998 is nontrivially palindromic in base 6.
5998 is an esthetic number in base 6, because in such base its adjacent digits differ by 1.
It is a semiprime because it is the product of two primes.
5998 is an undulating number in base 6.
It is a plaindrome in base 8 and base 12.
It is a congruent number.
It is an unprimeable number.
25998 is an apocalyptic number.
5998 is a wasteful number, since it uses less digits than its factorization.
5998 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3001.
The square root of 5998 is about 77.4467559037. The cubic root of 5998 is about 18.1691866811.
The spelling of 5998 in words is "five thousand, nine hundred ninety-eight".