Properties of the Number 83525

Eighty-Three Thousand Five Hundred Twenty-Five

Basics

Value: 83524 → 83525 → 83526

Parity: odd

Prime: No

Previous Prime: 83497

Next Prime: 83537

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 5 ² × 13 × 257

Divisors: 1, 5, 13, 25, 65, 257, 325, 1285, 3341, 6425

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100011001000101

Octal: 243105

Duodecimal: 40405

Hexadecimal: 14645

Square: 6976425625

Square Root: 289.0069203323685

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

Beach-Williams Pell numbers of type k² + 4. A212083

a(n) = n⁴+4 = (n²-2·n+2)*(n²+2·n+2) = ((n-1)²+1)*((n+1)²+1). A57781

Numbers k such that 7·10^k + 3·R_k - 2 is prime, where R_k = 11...1 is the repunit (A002275) of length k. A103055

Numbers n such that φ(φ(n)) + σ(σ(n)) is a 4th power. A172464

a(n) = a(n-1)⁴ + a(n-2)², with a(0) = a(1) = 1. A114950

a(1) = 1, a(n) = a(n-1)*n if n is composite, a(n) = a(n-1) + n if n is a prime. A83525