Properties of the Number -912

Nine Hundred Twelve

Basics

Value: -913 → -912 → -911

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 ⁴ × 3 × 19

Divisors: 1, 2, 3, 4, 6, 8, 12, 16, 19, 24

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -1110010000

Octal: -1620

Duodecimal: -640

Hexadecimal: -390

Square: 831744

Square Root: 30.199337741083

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

Coefficients in expansion of Eisenstein series E₂ (also called E₁ or G₂). A6352

Expansion of (1-x)^-1/(1+2·x+x²+x³). A77930

Expansion of φ(-q) / φ(-q⁵) in powers of q where φ() is a Ramanujan θ function. A138527

Riordan's general Eulerian recursion: T(n, k) = (k+2)*T(n-1, k) + (n-k-1) * T(n-1, k-1) with T(n,1) = 1, T(n,n) = (-1)^n-1. A157013

Expansion of theta₄(q)⁴ - theta₂(q)⁴, where theta₂ and theta₄ are the Jacobi θ series. A103640

Years in which a transit of Venus (as seen from Earth) took place or is expected to occur, according to the catalog by Fred Espenak. A171467

Expansion of φ(x)⁶ * φ(-x)² in powers of·where φ() is a Ramanujan θ function. A291124

Triangle of numbers read by rows: T(n,k) = ∑_i=0..n binomial(n,i)*(n-i)!*Stirling1(i,k)*TC(n,i) where TC(n,k) = ∑_i=0..n-k binomial(n+1,n-k-i)*Stirling2(i+3,i+1)*(-1)ⁱ for n >= 0, 0 <= k <= n. A370518

a(n) = A023194 - A062700(n). Negative values of A071166(m) = m-A006530(A000203(m)) differences. In these cases m is square number from A023194. A71167

Triangle read by rows of coefficients of Chebyshev-like polynomials P_n,3(x) with 0 omitted (exponents in increasing order). A136389