Properties of the Number -284257

Two Hundred Eighty-Four Thousand Two Hundred Fifty-Seven

Basics

Value: -284258 → -284257 → -284256

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 17 × 23 × 727

Divisors: 1, 17, 23, 391, 727, 12359, 16721, 284257

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1000101011001100001

Octal: -1053141

Duodecimal: -118601

Hexadecimal: -45661

Square: 80802042049

Square Root: 533.1575752064299

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

Sum of the legs of the unique primitive Pythagorean triple (a,b,c) such that (a-b+c)/2 = A000045(n) and its long leg and hypotenuse are consecutive natural numbers. A382845

Numerators of continued fraction convergents to sqrt(987). A42910

a(n) = 648·n² - 72·n + 1. A154514

a(n) = 10368·n² - 15840·n + 6049. A157264

a(n) = a(n-1) + a(n-3) + a(n-4), where a(0) = 1, a(1) = 1, a(2) = 3, a(3) = -3. A295676

a(1)=1, a(n+1)=ceiling(φ*a(n))+1 if a(n) is odd, a(n+1)=ceiling(φ*a(n)) if a(n) is even, where φ=(1+sqrt(5))/2. A92263

Sum of three edges of box having both integral orthogonal sides and integral geodesic distances between opposite vertices. A95257