Properties of the Number -1844

Eight Hundred Forty-Four

Basics

Value: -1845 → -1844 → -1843

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 461

Divisors: 1, 2, 4, 461, 922, 1844

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -11100110100

Octal: -3464

Duodecimal: -1098

Hexadecimal: -734

Square: 3400336

Square Root: 42.941821107167776

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) = 7ⁿ - n⁷. A24082

Table T(m,k)=m^k-k^m (with 0⁰ taken to be 1) as square array read by antidiagonals. A55651

Expansion of e.g.f. 1/(1 - log(1 + 3·x))^1/3. A352070

Table T(n,k) = kⁿ - n^k, n, k > 0, read by descending antidiagonals. A220417

Expansion of q^-1 * ψ(q) / ψ(q³)³ in powers of q where ψ() is a Ramanujan θ function. A258093

Expansion of f(x, x²) / ψ(x)³ in powers of·where ψ(), f(, ) are Ramanujan θ functions. A258092

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 3", based on the 5-celled von Neumann neighborhood. A269913

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 139", based on the 5-celled von Neumann neighborhood. A270281

a(n) = ∑_i=1..n i²*(-1)^ceiling(sqrt(i)). A392677

Numbers of the form 7^p - p⁷ where p is prime. A98104