Properties of the Number -1848

Eight Hundred Forty-Eight

Basics

Value: -1849 → -1848 → -1847

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ³ × 3 × 7 × 11

Divisors: 1, 2, 3, 4, 6, 7, 8, 11, 12, 14

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -11100111000

Octal: -3470

Duodecimal: -10A0

Hexadecimal: -738

Square: 3415104

Square Root: 42.988370520409354

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

Dirichlet inverse of the Jordan function J₂ (A007434). A46970

a(n) = ∑_{d∣n, d == 1 mod 4} d² - ∑_{d∣n, d == 3 mod 4} d². A2173

Triangle T(n,k) read by rows: coefficient [x^k] of the polynomial p(n,x) with p(0,x) = 1, p(1,x) = 2 - x, p(2,x) = 1 - 4·x + x² and p(n,x) = (2-x)*p(n-1,x) - p(n-2,x) if n>2. A136674

Expansion of (1-4·x)^13/2. A20925

Expansion of (∏_j>=1 (1-(-x)^j) - 1)⁸ in powers of x. A1486

McKay-Thompson series of class 15D for the Monster group. A58511

G.f.: Re((2·i; x)_inf), where (a; q)_inf is the q-Pochhammer symbol, i = sqrt(-1). A292135

McKay-Thompson series of class 10b for Monster. A58103

∑_{d divides n} d²*(-1)^bigomega(d), where bigomega(n) = A001222(n). A76792

Expansion of q^-1/2 * (η(q)⁴ * η(q⁴)² / η(q²)³)² in powers of q. A138502