Properties of the Number -27827

Twenty-Seven Thousand Eight Hundred Twenty-Seven

Basics

Value: -27828 → -27827 → -27826

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 27827

Divisors: 1, 27827

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110110010110011

Octal: -66263

Duodecimal: -1412B

Hexadecimal: -6cb3

Square: 774341929

Square Root: 166.81426797489476

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 unordered rooted trees where each subtree from given node has the same number of nodes. A127524

Least prime in A031938 (lesser of primes differing by 20) whose distance to the next 20-twin is 6·n. A52359

Primes having only {2, 7, 8} as digits. A385789

Primes of the form XYX, where Y is a single digit. A154270

Primes of the form abcabc..abcab. A228627

Primes equal to a centered pentagonal number plus 1. A285810

a(n) is smallest safe prime (A005385) such that a(n) + 12·n is the next safe prime, i.e., x = (a(n) - 1)/2 and x + 6·n are closest Sophie Germain primes. A59327

Primes p such that 5·p - 6 is square. A110482

Primes of the form k + A037276(k) in more than one way. A340636

Primes that remain prime through 4 iterations of function f(x) = 6x + 5. A23317