Properties of the Number -9758

Seven Hundred Fifty-Eight

Basics

Value: -9759 → -9758 → -9757

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 × 7 × 17 × 41

Divisors: 1, 2, 7, 14, 17, 34, 41, 82, 119, 238

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -10011000011110

Octal: -23036

Duodecimal: -5792

Hexadecimal: -261e

Square: 95218564

Square Root: 98.78258955909183

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 (ψ(x) * φ(-x)⁴)² in powers of·where φ(), ψ() are Ramanujan θ functions. A215472

Expansion of (ψ(-x) * φ(x)⁴)² in powers of·where φ(), ψ() are Ramanujan θ functions. A209942

a(n) = -5·a(n-1) + 7·a(n-2) for n > 1 with a(0) = 1 and a(1) = -7. A152239

a(n) = -(n - 4)*(n - 5)*(n - 12)/6. A167541

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-1) + 2, where a(0) = 1, a(1) = 3, b(0) = 2, b(1) = 4. A293765

Number of nonempty subsets of {1..n} whose geometric mean is an integer. A326027

Column 0 of square array A211970 (in which column 1 is A000041). A211971

Expansion of ∏_m>=1 ((1+q^2·m-1)/(1+q^2·m))⁶. A29843

At stage 1, start with a unit equilateral equiangular triangle. At each successive stage add 3*(n-1) new triangles around outside with edge-to-edge contacts. Sequence gives number of triangles (regardless of size) at n-th stage. A64412

a(n) = n*(n+7)*(n+8)/6. A111396