Properties of the Number 80849

Eighty Thousand Eight Hundred Forty-Nine

Basics

Value: 80848 → 80849 → 80850

Parity: odd

Prime: Yes

Previous Prime: 80833

Next Prime: 80863

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 80849

Divisors: 1, 80849

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011101111010001

Octal: 235721

Duodecimal: 3A955

Hexadecimal: 13bd1

Square: 6536560801

Square Root: 284.33958570695006

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

The Wiener index of a benzenoid consisting of a linear chain of n hexagons. A143938

Largest n-digit member of A089392, or 0 if there is no such n-digit term. A89394

Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 217", based on the 5-celled von Neumann neighborhood. A279942

Expansion of 1/∑_k>=0 (-x)^Fibonacci(k). A80889

a(n) = 66·n² - 1. A158693

Numbers k such that k divides 1 + ∑_j=1..k prime(j)¹⁹. A233768

Primes having only {0, 4, 8, 9} as digits. A386076

a(n) = (μ(n)+2)*n², where μ is the Moebius function (A008683). A80849

a(n) = 2ⁿ - ∑_m=0..n binomial(n/gcd(n,m), m/gcd(n,m)) = 2ⁿ - A082906. A271834