Properties of the Number 27875

Twenty-Seven Thousand Eight Hundred Seventy-Five

Basics

Value: 27874 → 27875 → 27876

Parity: odd

Prime: No

Previous Prime: 27851

Next Prime: 27883

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 5 ³ × 223

Divisors: 1, 5, 25, 125, 223, 1115, 5575, 27875

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110110011100011

Octal: 66343

Duodecimal: 1416B

Hexadecimal: 6ce3

Square: 777015625

Square Root: 166.95807857064

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

Solution of the complementary equation a(n) = 2·a(n-2) - b(n-2) + n, where a(0) = 3, a(1) = 4, b(0) = 1, and (a(n)) and (b(n)) are increasing complementary sequences. A295069

Row sums of triangle A105537, which equals the matrix square of triangle A105535. A105538

Expansion of -1/(1 - x)² + (1/(1 - x))*∏_k>=1 (1 + x^k). A317910

Number of Grassmannian permutations of size n that avoid a pattern, σ, where σ is a pattern of size 6 with exactly one descent. A362193

T(n,n-3), array T as in A038730. A38732

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 950", based on the 5-celled von Neumann neighborhood. A273829

T(2n+6,n), array T as in A038792. A38799

a(n) = ∏_i=1..n (7ⁱ - 1). A27875

Number of n X 4 0..1 arrays with every element equal to 2, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero. A298926