Properties of the Number -894

Eight Hundred Ninety-Four

Basics

Value: -895 → -894 → -893

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 149

Divisors: 1, 2, 3, 6, 149, 298, 447, 894

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1101111110

Octal: -1576

Duodecimal: -626

Hexadecimal: -37e

Square: 799236

Square Root: 29.899832775452108

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

Expansion of the 48th root of the series 2·E₂(x) - E₄(x), where E₂(x) and E₄(x) are the Eisenstein series of weight 2 and 4. A377976

Expansion of ∑_k>=0 (-2)^k * x^2·k/∏_j=1..k (1 - j·x). A353261

Coefficients in the expansion of ([s] + [2s]x + [3s]x² + ...)/([r] + [2r]x + [3r]x² + ...); [ ] = floor, r = sqrt(2), s = sqrt(3). A279628

Triangle, read by rows, T(n, k) = ∑_j=0..k (-1)^j*(k-j+1)ⁿ*binomial(n+1, j) *binomial(n+2, j)/(j+1). A176124

Triangle read by rows: first define the Narayana numbers: Y(n,m)=Binomial[n, m]*Binomial[n + 1, m + 1]/(n - m + 1); then t(n,m)=Sum[(-1)^j *Y(n + 1, j)*(k + 1 - j)ⁿ, {j, 0, k + 1}]. A155796

Number of (w,x,y,z) with all terms in {1,...,n} and w·x < 2·y*z. A211795

Number of integer partitions of n such that every distinct submultiset has a different average. A316313

Average of twin prime pairs (A014574), divided by 2. Equivalently, 2·a(n)-1 and 2·a(n)+1 are primes. A40040

Numbers m such that the Bernoulli number B_m has denominator 42. A51228

Numbers k whose abundance is 12: σ(k) - 2·k = 12. A141545