Properties of the Number -3668

Six Hundred Sixty-Eight

Basics

Value: -3669 → -3668 → -3667

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 7 × 131

Divisors: 1, 2, 4, 7, 14, 28, 131, 262, 524, 917

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111001010100

Octal: -7124

Duodecimal: -2158

Hexadecimal: -e54

Square: 13454224

Square Root: 60.56401571890688

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

Triangle of trinomial logarithmic coefficients: A027907(n,k) = ∑_i=0..k T(k,i)*nⁱ/k!. A136590

Triangle formed by coefficients of the expansion of p(x, n), where p(x,n) = (1 + 2·x - x²)^{n + 1}*∑_{j >= 0} (j+1)ⁿ*(-2·x + x²)^j. A156901

Column 3 of triangle A136590. A136593

Expansion of ∏_k>0 theta₄(q^k)/theta₃(q^k), where theta₃() and theta₄() are the Jacobi θ functions. A320970

Array of coefficients of characteristic polynomials of M_n, the n X n matrix with entries m_i,j = i mod j. A78924

G.f. A(x) satisfies A(x) = 1 + x·A(x) / A(x²). A218033

Numbers m such that there are precisely 9 groups of order m. A249552

a(n) is the solution to the postage stamp problem with n denominations and 4 stamps. A1214

Expansion of (1/theta₄ - 1)/2. A14968

Row sums of A168281. A168380