Properties of the Number -1599

Five Hundred Ninety-Nine

Basics

Value: -1600 → -1599 → -1598

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 13 × 41

Divisors: 1, 3, 13, 39, 41, 123, 533, 1599

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -11000111111

Octal: -3077

Duodecimal: -B13

Hexadecimal: -63f

Square: 2556801

Square Root: 39.98749804626441

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

Expansion of f(-x²)² * f(x, x²) / f(-x³)³ in powers of·where f(,) is a Ramanujan θ function. A132179

Triangle of coefficients of Gaussian polynomials [2n+5,4]_q represented as finite sum of terms (1+q²)^k*q^g-k, where k = 0,1,...,g with g=4n+2. A267484

Expansion of 3·q^1/3 * φ(q) * ψ(q⁶) / c(q) in powers of·where φ(), ψ() are Ramanujan θ functions and c() is a cubic AGM θ function. A233037

a(n) = A019565(1+n) - A019565(A001065(n)), where A019565 is the base-2 exp-function, and A001065 is the sum of proper divisors of n. A379496

a(n) = (-1)ⁿ*n*(n-2). A131386

Expansion of (1-5·x-x²+x³)/((1+x)*(1-x)³). A141354

Coefficient array for orthogonal polynomials p(n,x)=(x-(2n-1))*p(n-1,x)-(2n-2)²*p(n-2,x), p(0,x)=1,p(1,x)=x-1. A182826

a(n) = 1 - n². A258837

Sum of all parts of all partitions of n into an even number of parts minus the sum of all parts of all partitions of n into an odd number of parts. A235324

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 363", based on the 5-celled von Neumann neighborhood. A268194