Properties of the Number -5490

Four Hundred Ninety

Basics

Value: -5491 → -5490 → -5489

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 5 × 61

Divisors: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -1010101110010

Octal: -12562

Duodecimal: -3216

Hexadecimal: -1572

Square: 30140100

Square Root: 74.09453421137081

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

Irregular triangular array read by rows: row n shows the coefficients of this polynomial of degree n: (1/n!)*(numerator of n-th derivative of (1-x)/(x²-3x+1)). A328646

G.f.: A(x,y) = ∑_n>=0 xⁿ * ∏_k=1..n (k + x·y) / (1 + k·x*y), as a triangle read by rows. A231171

Sum of terms within one periodic pattern of that sequence representing the digital sum analog base n of the Fibonacci recurrence. A131318

The sum of the elements within a jump in a Sieve of Eratosthenes table. A179545

Numbers k such that k² is palindromic in base 14. A30072

Expansion of g.f.: (-1 + ∏_k>=1 1 / (1 + (-x)^k))². A338463

T(n,k)=Number of nXk nonnegative integer arrays with upper left 0 and every value within 2 of its city block distance from the upper left and every value increasing by 0 or 1 with every step right or down. A252820

One fourth of the sum of the squares of the first n Fibonacci numbers with index divisible by 3. A156085

Expansion of ∏_k>=1 ((1 + x^3·k) / (1 - x^k))^k. A285447

f-vectors for simplicial complexes of dimension at most 1 (graphs) on at most n-1 vertices. A11826