Properties of the Number -5148

One Hundred Forty-Eight

Basics

Value: -5149 → -5148 → -5147

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 11 × 13

Divisors: 1, 2, 3, 4, 6, 9, 11, 12, 13, 18

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -1010000011100

Octal: -12034

Duodecimal: -2B90

Hexadecimal: -141c

Square: 26501904

Square Root: 71.74956445860839

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

G.f.: ∑_n=-oo..+oo x^n*(n+1/2) * C(x)^2·n-1, where C(x) = 1 + x·C(x)² is the g.f. of the Catalan numbers (A000108). A355345

Table of coefficients of the algebraic number s(2·l+1) = 2·sin(π/(2·l+1)) as a polynomial in odd powers of ρ(2*(2·l+1)) = 2·cos(π/(2*(2·l+1))) (reduced version). A228785

a(n)=n*(a(n-1)-3), a(0)=1. A165814

G.f. A(x,y) = ∑_-oo..+oo (x - yⁿ)ⁿ⁺¹, as a flattened rectangular array of coefficients T(n,k) of xⁿ * y^k*(n+k-1) in A(x,y) for n>=1. A293600

Triangle read by rows: T(n, k) = (-1)^{n - k} * binomial(2n + 1, n - k) * L(2k + 1), 0 <= k <= n, where L(k) is the k-th Lucas number (A000032). A326832

a(n) = n*(4·n-1). A33991

Triangle read by rows: T(k,s) = ((2·k+1)/(2·s+1))*binomial(k+s,2·s), 0 <= s <= k. A111125

a(n) = n²*(n² - 1)/4. A6011

a(n) = binomial(n+6,6)*(2n+7)/7. A50486

a(n) = (1/4)*floor(n/2)*floor((n-1)/2)*floor((n-2)/2)*floor((n-3)/2). A28723