Properties of the Number 6872

Six Thousand Eight Hundred Seventy-Two

Basics

Value: 6871 → 6872 → 6873

Parity: even

Prime: No

Previous Prime: 6871

Next Prime: 6883

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ³ × 859

Divisors: 1, 2, 4, 8, 859, 1718, 3436, 6872

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101011011000

Octal: 15330

Duodecimal: 3B88

Hexadecimal: 1ad8

Square: 47224384

Square Root: 82.89752710425083

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) = ∑_k=0..n T(k) where T(n) are the tribonacci numbers A000073. A8937

List of different composites in Pascal-like triangles with index of asymmetry y = 2 and index of obliquity z = 0 or z = 1. A141066

Number T(n,k) of binary words of length n with exactly k (possibly overlapping) occurrences of the subword given by the binary expansion of n; triangle T(n,k), n>=0, read by rows. A233940

Square array T(n,m) (n>=0, m>=0) read by antidiagonals downwards giving number of rooted triangulations of type [n,m] up to orientation-preserving isomorphisms. A262586

T(n,k)=Number of length n+4 0..k arrays with no five consecutive terms having two times the sum of any three elements equal to three times the sum of the remaining two. A249001

Number of primes between n·100000 and (n+1)*100000. A38825

Sum of GCD's of parts in all partitions of n. A78392

T(n,k)=Number of length n+4 0..k arrays with no five consecutive terms having four times any element equal to the sum of the remaining four. A249466

Numbers n such that the decimal expansions of both n and n² have 2 as smallest digit and 8 as largest digit. A257368

Numerator of Hermite(n, 2/17). A159530