Properties of the Number -84969

Eighty-Four Thousand Nine Hundred Sixty-Nine

Basics

Value: -84970 → -84969 → -84968

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 36

Digital Root: 9

Palindrome: No

Factorization: 3 ⁴ × 1049

Divisors: 1, 3, 9, 27, 81, 1049, 3147, 9441, 28323, 84969

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10100101111101001

Octal: -245751

Duodecimal: -41209

Hexadecimal: -14be9

Square: 7219730961

Square Root: 291.49442533262965

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) = ∑_{1 <= x₁, x₂, x₃, x₄ <= n} gcd(x₁, x₂, x₃, x₄, n)⁵. A372937

Expansion of ∑_i>=1 μ(i)²*xⁱ/(1 - xⁱ) * ∏_j>=i 1/(1 - μ(j)²*x^j), where μ() is the Moebius function (A008683). A284829