Properties of the Number -904

Nine Hundred Four

Basics

Value: -905 → -904 → -903

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ³ × 113

Divisors: 1, 2, 4, 8, 113, 226, 452, 904

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1110001000

Octal: -1610

Duodecimal: -634

Hexadecimal: -388

Square: 817216

Square Root: 30.066592756745816

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

McKay-Thompson series of class 8E for the Monster group. A29841

G.f.: Re((i; x)_inf), where (a; q)_inf is the q-Pochhammer symbol, i = sqrt(-1). A278399

Expansion of q^-1 * (φ(-q) / ψ(q⁴))² in powers of q where φ(), ψ() are Ramanujan θ functions. A131124

McKay-Thompson series of class 8E for the Monster group with a(0) = 4. A131125

Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of (floor[(i+1)/2] if i=j and = 0 otherwise), as in A204162. A204163

a(n) = 6 + 33·n + 6·binomial(n, 2) - 28·binomial(n, 3) + 20·binomial(n, 4) - 47·binomial(n, 5). A58985

Expansion of (φ(q) / φ(q⁴))² in powers of q where φ() is a Ramanujan θ function. A216060

McKay-Thompson series of class 16c for the Monster group. A112152

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 605", based on the 5-celled von Neumann neighborhood. A273178

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 710", based on the 5-celled von Neumann neighborhood. A273424