It is an ABA number since it can be written as A⋅BA, here for A=3, B=10.
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 11, base 13 and base 14.
It is a nialpdrome in base 5, base 10, base 15 and base 16.
It is a zygodrome in base 5, base 11 and base 14.
It is a congruent number.
23000 is an apocalyptic number.
3000 is a gapful number since it is divisible by the number (30) 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 3000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3000 is a wasteful number, since it uses less digits than its factorization.
3000 is an odious number, because the sum of its binary digits is odd.
The square root of 3000 is about 54.7722557505. The cubic root of 3000 is about 14.4224957031.
The spelling of 3000 in words is "three thousand", and thus it is an iban number.