Properties of the Number 65809

Sixty-Five Thousand Eight Hundred Nine

Basics

Value: 65808 → 65809 → 65810

Parity: odd

Prime: Yes

Previous Prime: 65789

Next Prime: 65827

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 65809

Divisors: 1, 65809

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000000100010001

Octal: 200421

Duodecimal: 32101

Hexadecimal: 10111

Square: 4330824481

Square Root: 256.5326489942362

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

Primes whose base-4 representation also is the base 2-representation of a prime. A235461

a(1) = 1, a(2n) = 16a(n), a(2n+1) = a(2n)+1. A33052

Primes which can be expressed as sum of distinct powers of 4. A77718

Stern-Jacobsthal numbers. A101624

A bisection of the Stern-Jacobsthal numbers. A101625

Inverse Moebius transform of the Mersenne numbers: a(n) = ∑_d∣n (2^d - 1). A130887

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 278", based on the 5-celled von Neumann neighborhood. A280525

Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 326", based on the 5-celled von Neumann neighborhood. A281109

Maximal number of states in the minimal deterministic finite automaton accepting a language over a binary alphabet consisting of some words of length n. A802

Possible traces of n-step walks on 1-D lattice, ignoring translations. A48248