Properties of the Number -1276

Two Hundred Seventy-Six

Basics

Value: -1277 → -1276 → -1275

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 11 × 29

Divisors: 1, 2, 4, 11, 22, 29, 44, 58, 116, 319

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10011111100

Octal: -2374

Duodecimal: -8A4

Hexadecimal: -4fc

Square: 1628176

Square Root: 35.7211421989835

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

a(n) = a(n-2) - (a(n-1) - a(n-2)) if (n mod 2) = 0, otherwise a(n) = a(n-1) - (a(n-3) - a(n-4)), with a(0) = 0, a(1) = 1, a(2) = -1, a(3) = 2. A135690

Expansion of -(7·x²+3·x-1)*(2·x²+2·x+1) / ((3·x²+3·x+1)*(2·x³+2·x²+4·x+1)). A110687

Semiprime(n)*semiprime(n+3) - semiprime(n+1)*semiprime(n+2), where semiprime(n) is the n-th semiprime. A118780

The trinomial transform (A027907) gives powers of 2, while the trinomial transform of this sequence shift one place left gives powers of 3. A100321

Expansion of 1/(1 - x/(1 + x/(1 + x²/(1 + x³/(1 + x⁴/(1 + x⁵/(1 + ...))))))), a continued fraction. A302015

a(n) = ∑_d∣n μ(d) * binomial(d+n/d-1, d). A338657

G.f. satisfies: A(x) = A(x² - x³)/(1-x). A251659

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 6", based on the 5-celled von Neumann neighborhood. A269698

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 605", based on the 5-celled von Neumann neighborhood. A273178

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 662", based on the 5-celled von Neumann neighborhood. A273391