Properties of the Number 27886

Twenty-Seven Thousand Eight Hundred Eighty-Six

Basics

Value: 27885 → 27886 → 27887

Parity: even

Prime: No

Previous Prime: 27883

Next Prime: 27893

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 × 73 × 191

Divisors: 1, 2, 73, 146, 191, 382, 13943, 27886

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110110011101110

Octal: 66356

Duodecimal: 1417A

Hexadecimal: 6cee

Square: 777628996

Square Root: 166.99101772251106

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

Number of length n inversion sequences avoiding the patterns 000 and 010. A279552

Number of reduced words of length n in the Weyl group B₉. A161733

a(n) = smallest number k such that three consecutive prime numbers prime(n), prime(n+1) and prime(n+2) are divisors of k, k+1 and k+2 respectively. A180095

a(n) = prime(n)²-3. A182200

Number of 6-cycles in the n X n king graph. A288920

Expansion of q^-3 * (η(q) * η(q⁸))⁸ in powers of q. A34433

Base-9 palindromes that start with 4. A43031

Numbers k such that k and k² use only the digits 2, 6, 7, 8 and 9. A137118

a(n) = ∑_{0<=i<=j<=k<=n} (-1)^i+j+k * (i+j+k)!/(i!*j!*k!). A307358

Primes of form n + (n+1)² + (n+2)³ + (n+3)⁴ + (n+4)⁵. A27886