Properties of the Number 6871

Six Thousand Eight Hundred Seventy-One

Basics

Value: 6870 → 6871 → 6872

Parity: odd

Prime: Yes

Previous Prime: 6869

Next Prime: 6883

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 6871

Divisors: 1, 6871

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101011010111

Octal: 15327

Duodecimal: 3B87

Hexadecimal: 1ad7

Square: 47210641

Square Root: 82.8914953418021

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

Primes which yield a prime whenever a 1 is inserted anywhere in them (including at the beginning or end). A69246

Numbers which yield a prime whenever a 1 is inserted anywhere in them (including at the beginning or end). A68679

a(n) = (4·n³ - 9·n² + 11·n + 3)/3. A161707

The number of regions formed when every pair of n points, placed at the vertices of a regular n-gon, are connected by a circle and where the points lie at the ends of the circle's diameter. A358782

Primes that are the sum of 11 consecutive primes. A127340

G.f.: x²*(x² + x + 1)/(x⁴ - 2·x + 1). A27084

Schoenheim bound L₁(n,8,7). A36835

Integers n such that A047988(n)=3. A47986

Values of A (the short leg) of a Pythagorean triangle with A and C (the hypotenuse) both prime and part of a twin prime. A51642

Primes p such that p+1, p+2 and p+3 have equal number of divisors. A119711