Properties of the Number -1185

One Hundred Eighty-Five

Basics

Value: -1186 → -1185 → -1184

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 × 79

Divisors: 1, 3, 5, 15, 79, 237, 395, 1185

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10010100001

Octal: -2241

Duodecimal: -829

Hexadecimal: -4a1

Square: 1404225

Square Root: 34.42382895611701

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)^-1/(1+x+x²-x³). A77908

Expansion of f(-q)¹⁰ / f(-q⁵)² in power of q where f() is a Ramanujan θ function. A243939

Expansion of e.g.f. exp(-2·x) / (1 + x·exp(x)). A368273

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 145", based on the 5-celled von Neumann neighborhood. A270289

a(n) is the coefficient of xⁿ in x/(1 + ∑_k>=1 (1/2)*(prime(k+1) - 1)*x^k). A74142

Number of partitions of n into pairwise relatively prime parts. A51424

Triangle read by rows. Convolution triangle of the prime indicator sequence A089026. A357368

Generalized 12-gonal numbers: k*(5·k-4) for k = 0, +-1, +-2, ... A195162

Numbers that are the sum of 7 positive 5th powers. A3352

Number of sum-free sets that can be created by adding n to all sum-free sets [1..n-1]. A288728