Properties of the Number -7285

Two Hundred Eighty-Five

Basics

Value: -7286 → -7285 → -7284

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 5 × 31 × 47

Divisors: 1, 5, 31, 47, 155, 235, 1457, 7285

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1110001110101

Octal: -16165

Duodecimal: -4271

Hexadecimal: -1c75

Square: 53071225

Square Root: 85.35221145348257

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) = 2^[n(n+1) - A000120(n)] * [xⁿ] (1+x)^1/2ⁿ for n>=0, where A000120(n) = number of 1's in binary expansion of n. A134098

Triangular array T(n,k), read by rows: coefficients of strong divisibility sequence of polynomials p(1,x) = 1, p(2,x) = 1 + 3·x, p(n,x) = u·p(n-1,x) + v·p(n-2,x) for n >= 3, where u = p(2,x), v = 1 - x - x². A367208

Convolved Fibonacci numbers. A1873

Bisection of Fibonacci triangle A037027: even-indexed members of column sequences of A037027 (not counting leading zeros). A60920

Fourth column (m=3) of (1,6)-Pascal triangle A096956. A96957

Number of compositions of n in which the smallest part is equal to the number of parts. A98133

Numbers that are the sum of ten fourth powers in eight or more ways. A345601

Numbers that are the sum of ten fourth powers in nine or more ways. A345602

Numbers that are the sum of ten fourth powers in exactly nine ways. A345861

Numerators of successive convergents to continued fraction 1+2/(3+3/(4+4/(5+5/(6+6/(7+7/(8+8/(9+9/10+...))))))). A53518