Properties of the Number -1443

Four Hundred Forty-Three

Basics

Value: -1444 → -1443 → -1442

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 3 × 13 × 37

Divisors: 1, 3, 13, 37, 39, 111, 481, 1443

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -10110100011

Octal: -2643

Duodecimal: -A03

Hexadecimal: -5a3

Square: 2082249

Square Root: 37.986839826445156

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

Number of partitions of n with even crank minus number of partitions of n with odd crank. A124226

a(n) = A000045(n) - A113405(n). A140096

Triangle read by rows interpolating the swinging subfactorial (A163650) with the swinging factorial (A056040). A163770

a(n) = (-1)ⁿ*n*(n-2). A131386

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

a(n) = 1 - n². A258837

Determinant of the n X n tridiagonal matrix M with the elements on the diagonals equal to 1, except M(n,n-1)=M(n-1,n)=n. A80322

Values of n such that L(17) and N(17) are both prime, where L(k) = (n²+n+1)*2^2·k + (2·n+1)*2^k + 1, N(k) = (n²+n+1)*2^k + n. A227520

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 49", based on the 5-celled von Neumann neighborhood. A270017

See Mathematica program. A130605