Properties of the Number -2183

One Hundred Eighty-Three

Basics

Value: -2184 → -2183 → -2182

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 37 × 59

Divisors: 1, 37, 59, 2183

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100010000111

Octal: -4207

Duodecimal: -131B

Hexadecimal: -887

Square: 4765489

Square Root: 46.72258554489466

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

E.g.f.: A(x) = exp( x/A(-x·A(x)) ). A213108

a(n) = -n² + 9·n + 53. A126665

Triangle, T(n, k, q) = e(n, k, q), where e(n, k, q) = ((1 - (-q)^k)/(1+q))*e(n-1, k, q) + (-q)^k-1*e(n-1, k-1, q), e(n, 0, q) = e(n, n, q) = 1, and q = 2, read by rows. A156535

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 161", based on the 5-celled von Neumann neighborhood. A270453

Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where column k is the expansion of e.g.f. B(x)^k, where B(x) is the e.g.f. of A213108. A384801

a(n)=1+(1/12)(n*(n+1)*(n+3)*(4-n)). A80260

Number of superdiagonal partitions: partitions (p1, p2, p3, ...) of n such that π >= i. A238873

a(n) = n*(3·n + 7)/2. A140090

Golden semiprimes: a(n)=p·q and abs(p*φ-q)<1, where φ = golden ratio = (1+sqrt(5))/2. A108540

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with nondecreasing x(i,j)+x(i,j-1) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction. A250632