Properties of the Number -854

Eight Hundred Fifty-Four

Basics

Value: -855 → -854 → -853

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 7 × 61

Divisors: 1, 2, 7, 14, 61, 122, 427, 854

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: -1101010110

Octal: -1526

Duodecimal: -5B2

Hexadecimal: -356

Square: 729316

Square Root: 29.223278392404914

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) = A353750(n) - A353749(n). A353757

Expansion of 1/(1 + 3·x - 4·x² + x³). A122600

Start with 1, add the next number if one gets a prime then add the next number else subtract the next... A74170

G.f. A(x) defined by: A(x)⁵ consists entirely of integer coefficients between 1 and 5 (A083945); A(x) is the unique power series solution with A(0)=1. A84205

Expansion of 8 * η(q)⁷ / η(q⁷) + 49 * (η(q) * η(q⁷))³ in powers of q. A138809

a(0) = -1 and a(n) = (-1)ⁿ⁺¹*(3·n² - n + 4)/2 for n >= 1. A173247

G.f.: ∏_m>0 (1 - x^m + 2!*x^2·m - 3!*x^3·m). A293255

Determinant of n X n matrix containing the first n² composites in increasing order. A321685

Expansion of E.g.f. (1 + 2·x + x²/2) * sech(x). A119883

Irregular triangle read by rows: let c = -(x - x²), b = (-1 - a + 2 x)/x, and a = 0, expansion of p(x, n) = (a + b·x)*p(x, n - 1) + c·p(x, n - 2). A139144