Properties of the Number 86523

Eighty-Six Thousand Five Hundred Twenty-Three

Basics

Value: 86522 → 86523 → 86524

Parity: odd

Prime: No

Previous Prime: 86509

Next Prime: 86531

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 151 × 191

Divisors: 1, 3, 151, 191, 453, 573, 28841, 86523

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101000111111011

Octal: 250773

Duodecimal: 420A3

Hexadecimal: 151fb

Square: 7486229529

Square Root: 294.1479219712422

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(n) = 6·a(n-1) - a(n-2) for n >= 2, with a(0)=3, a(1)=13. A38762

Numbers k such that (k² - 7)/2 is a square. A77443

a(n) = 2·a(n-1) + a(n-2), with a(0)= -1, a(1)= 3. A135532

a(n) = 2·a(n-4) + a(n-8) for n >= 8. A266506

Number of partitions of n into 6 or more parts. A347542

a(n) = 2·a(n - 2) + a(n - 4) with a(0) = -1, a(1) = 1, a(2) = 3, a(3) = 5. A266505

G.f.: ∏_{k>=1, j>=1} (1 + x^k·j) / (1 - x^k·j)². A320238

Beginning with 5, distinct odd primes such that the arithmetic mean of every pair of successive terms is prime. A86523