Properties of the Number 6894

Six Thousand Eight Hundred Ninety-Four

Basics

Value: 6893 → 6894 → 6895

Parity: even

Prime: No

Previous Prime: 6883

Next Prime: 6899

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 383

Divisors: 1, 2, 3, 6, 9, 18, 383, 766, 1149, 2298

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101011101110

Octal: 15356

Duodecimal: 3BA6

Hexadecimal: 1aee

Square: 47527236

Square Root: 83.03011501858829

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 hierarchical models on n labeled factors or variables with linear terms forced. Also number of antichain covers of a labeled n-set. A6126

Number of simplicial complexes with n nodes. A307249

Numbers n such that Bernoulli number B_n has denominator 798. A272138

a(n) = n² + (n+1)² + (n+2)² + (n+3)². A27575

a(n) = ∑_{r = 0 to n} L(n,r), where L(n,r) (A067049) = lcm(n, n-1, n-2, ..., n-r+1)/lcm(1, 2, 3, ..., r). A61297

Irregular table read by rows: The number of k-faced polyhedra, where k>=4, created when an n-prism, formed from two n-sided regular polygons joined by n adjacent rectangles, is internally cut by all the planes defined by any three of its vertices. A338801

Integers that need 6 iterations of the map x->A352172(x) to reach 1. A352264

a(n) = 3·a(n-1) - 2·a(n-2) with a(0)=36 and a(1)=90. A182467

G.f. satisfies: A(x) = (1 + x·A(x)³) * (1 + x²*A(x)⁶). A200731

Triangle read by rows where T(n,k) is the number of antichains of nonempty sets covering n vertices with vertex-connectivity >= k. A327350