Properties of the Number -287804

Two Hundred Eighty-Seven Thousand Eight Hundred Four

Basics

Value: -287805 → -287804 → -287803

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 11 × 31 × 211

Divisors: 1, 2, 4, 11, 22, 31, 44, 62, 124, 211

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7989 Try Today's Challenge

Representations

Binary: -1000110010000111100

Octal: -1062074

Duodecimal: -11A678

Hexadecimal: -4643c

Square: 82831142416

Square Root: 536.4736713017704

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

Even composite integers m such that U(m)² == 1 (mod m) and V(m) == 3 (mod m), where U(m)=A001906(m) and V(m)=A005248(m) are the m-th generalized Lucas and Pell-Lucas numbers of parameters a=3 and b=1, respectively. A337777

Numbers k such that k divides the (k+1)st Lucas number. A94397