Properties of the Number 65528

Sixty-Five Thousand Five Hundred Twenty-Eight

Basics

Value: 65527 → 65528 → 65529

Parity: even

Prime: No

Previous Prime: 65521

Next Prime: 65537

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ³ × 8191

Divisors: 1, 2, 4, 8, 8191, 16382, 32764, 65528

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111111111111000

Octal: 177770

Duodecimal: 31B08

Hexadecimal: fff8

Square: 4293918784

Square Root: 255.98437452313374

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(1) = 2, a(n) = σ(a(n-1)). A7497

Numbers of the form q*(2^k), where q is one of the Mersenne primes (A000668) and k >= 0. A335431

a(n) = 8*(2ⁿ - 1). A159741

a(n) = 4ⁿ - n. A24037

Triangle read by rows: row n lists divisors of n-th perfect number A000396(n). A133031

Divisors of 33550336, the 5th perfect number. A133025

Larger of a non-unitary amicable pair. A259039

a(n) = 3·a(n-1) - a(n-2) - 3·a(n-3) + 2·a(n-4). A84174

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 259", based on the 5-celled von Neumann neighborhood. A280369

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 307", based on the 5-celled von Neumann neighborhood. A280979