6000 is an esthetic number in base 11, because in such base its adjacent digits differ by 1.
It is a tau number, because it is divible by the number of its divisors (40).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is a plaindrome in base 14.
It is a nialpdrome in base 10.
It is a zygodrome in base 14.
It is a self number, because there is not a number n which added to its sum of digits gives 6000.
It is a congruent number.
6000 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
26000 is an apocalyptic number.
6000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 6000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9672).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6000 is a wasteful number, since it uses less digits than its factorization.
6000 is an odious number, because the sum of its binary digits is odd.
The square root of 6000 is about 77.4596669241. The cubic root of 6000 is about 18.1712059283.
The spelling of 6000 in words is "six thousand", and thus it is an eban number.