Properties of the Number -285711

Two Hundred Eighty-Five Thousand Seven Hundred Eleven

Basics

Value: -285712 → -285711 → -285710

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 131 × 727

Divisors: 1, 3, 131, 393, 727, 2181, 95237, 285711

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -1000101110000001111

Octal: -1056017

Duodecimal: -119413

Hexadecimal: -45c0f

Square: 81630775521

Square Root: 534.5194103117304

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) = ∑_k=0..n binomial(3·n+k-1,k) * binomial(3·n+k,n-k). A379025

a(n) = a(n-2) + a(n-3) + a(n-4) with a(0) = 0, a(1) = a(2) = 1, a(3) = 0. A277252