Properties of the Number -85879

Eighty-Five Thousand Eight Hundred Seventy-Nine

Basics

Value: -85880 → -85879 → -85878

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 37

Digital Root: 1

Palindrome: No

Factorization: 157 × 547

Divisors: 1, 157, 547, 85879

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10100111101110111

Octal: -247567

Duodecimal: -41847

Hexadecimal: -14f77

Square: 7375202641

Square Root: 293.0511900675375

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

Table in which the g.f. of row n, R(n,x), satisfies ∑_k=-oo..+oo (-1)^k * (x^k + n·R(n,x))^k = 1 + (n+2)*∑_k>=1 (-1)^k * x^k², for n >= 1, as read by antidiagonals. A370020

Expansion of g.f. A(x) satisfying ∑_n=-oo..+oo (-1)ⁿ * (xⁿ + 4·A(x))ⁿ = 1 + 6*∑_n>=1 (-1)ⁿ * x^n². A370024

Strong pseudoprimes to base 11. A20237

Strong pseudoprimes to base 40. A20266

Strong pseudoprimes to base 46. A20272

Strong pseudoprimes to base 47. A20273

9-gonal numbers that are semiprimes. A356424