Properties of the Number -9549

Five Hundred Forty-Nine

Basics

Value: -9550 → -9549 → -9548

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 1061

Divisors: 1, 3, 9, 1061, 3183, 9549

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -10010101001101

Octal: -22515

Duodecimal: -5639

Hexadecimal: -254d

Square: 91183401

Square Root: 97.71898484941399

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

Coefficient array for orthogonal polynomials p(n,x)=(x-(2n-1))*p(n-1,x)-(2n-2)²*p(n-2,x), p(0,x)=1,p(1,x)=x-1. A182826

Sum of the fifth largest parts of the partitions of n into 10 squarefree parts. A326633

The 180-degree spoke (or ray) of a hexagonal spiral of Ulam. A244806

a(1) = 0, a(2) = 1, and for n > 2, a(n) = 2·a(A252463(n)) + [n == 1 (mod 6)]. A292941

Smallest positive integer which can be represented as the sum of distinct positive cubes in exactly n ways, or 0 if no such integer exists. A275154

Odd composites k such that σ(k) has the same powerful part as k, where σ is the sum of divisors function. A386425

Numbers k for which the 3-adic valuations of k and σ(k) are equal, and that also satisfy Euler's criterion for odd perfect numbers (see A228058). A349755

Start with 1015 and repeatedly reverse the digits and add 4 to get the next term. A117807

Number of partitions of n into {number of partitions of n into "number of partitions of n into 'number of partitions of n into partition numbers' numbers" numbers} numbers. A130900

Terms k of A228058 such that gcd(k - A048250(k), A162296(k) - k) = A162296(k) - k. A325376