Properties of the Number -556

Five Hundred Fifty-Six

Basics

Value: -557 → -556 → -555

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 139

Divisors: 1, 2, 4, 139, 278, 556

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1000101100

Octal: -1054

Duodecimal: -3A4

Hexadecimal: -22c

Square: 309136

Square Root: 23.57965224510319

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 6-dimensional cusp form (η(q) * η(q³))⁶ in powers of q. A7332

T(n, m), numerators of coefficients in a power/Fourier series expansion of the plane pendulum's exact differential time dependence. A274076

Expansion of ∏_k>=1 ((1 - k·x^k) / (1 - x^k)). A267005

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

Expansion of ((b(q)*c(q))³ - 8*(b(q²)*c(q²))³) / 27 in powers of q where b(), c() are cubic AGM θ functions. A128486

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 294", based on the 5-celled von Neumann neighborhood. A271135

Expansion of sin(sin(log(1+x))). A9469

Total number of parts in all partitions of n. Also, sum of largest parts of all partitions of n. A6128

Number of normal patterns matched by compositions of n. A335456

Number of partitions of n into parts >= 3. A8483