Properties of the Number -948

Nine Hundred Forty-Eight

Basics

Value: -949 → -948 → -947

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 79

Divisors: 1, 2, 3, 4, 6, 12, 79, 158, 237, 316

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1110110100

Octal: -1664

Duodecimal: -670

Hexadecimal: -3b4

Square: 898704

Square Root: 30.789608636681304

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 (1-x-x^N)/((1-x)(1-x²)(1-x³)...(1-x^N)) for N = 7. A60026

Expansion of a(q)² * (b(q) * c(q) / 3)³ in powers of q where a(), b(), c() are cubic AGM θ functions. A136747

Second order complementary Bell numbers. A265023

∏_n>=1 1 / (1 - a(n)*xⁿ) = 1 + ∑_n>=1 x^prime(n). A348127

Coordination sequence for octagonal tiling is a(n)*sqrt(2) + A103909(n). A103908

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 131", based on the 5-celled von Neumann neighborhood. A270224

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 534", based on the 5-celled von Neumann neighborhood. A272789

Values z of primitive solutions (x, y, z) to the Diophantine equation x³ + y³ + 2·z³ = 2·4⁶. A336449

a(1) = 1; a(2) = 1; a(3) = 1; a(4) = 1; a(5) = 1; a(n) = a(n-1)+4a(n-2)-3a(n-3)-3a(n-4)+a(n-5) for n >= 6. A122608

Triangular sequence of coefficients from a polynomial recursion: p(x,n)=-2 (-(n - 1) + x)*p(x, n - 1) + (-(n + 1) + (n + 2)* x - x²)p(x, n - 2). A137663