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Properties of the Number -9018

Eighteen

Basics

Value: -9019 → -9018 → -9017

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 3 × 167

Divisors: 1, 2, 3, 6, 9, 18, 27, 54, 167, 334

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -10001100111010

Octal: -21472

Duodecimal: -5276

Hexadecimal: -233a

Square: 81324324

Square Root: 94.96315074806648

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Values of L(2n), where L(n) is the summatory function of the Liouville function A008836(n). A390483
Number of sets in the geometry determined by the Hausdorff metric at each location between two sets defined by a complete bipartite graph K(3,n) (with n at least 4) missing three edges, where all three removed edges are incident to different vertices in the 3-point set and none of the removed edges are incident to the same vertex in the other set. A342850
Multiples of 18 containing a 18 in their decimal representation. A121038
Numbers n such that Bernoulli number Bn has denominator 798. A272138
Least nontrivial multiple of the n-th prime beginning with 9. A78293
Numbers that are the sum of four positive cubes in four or more ways. A343971
Numbers that are the sum of four positive cubes in exactly four ways. A343972
Natural numbers n that have the property that starting from k = n, the fixed point of the map k -> floor(tan(k)) is strictly positive, while the smallest number encountered during the iteration is strictly negative. A258202
Numbers k such that the k-th term of the EKG sequence (A064413(k)) has more than one controlling prime. A73735
a(n) = (sum of first n primes) * n. A167214