Properties of the Number 15896

Fifteen Thousand Eight Hundred Ninety-Six

Basics

Value: 15895 → 15896 → 15897

Parity: even

Prime: No

Previous Prime: 15889

Next Prime: 15901

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 ³ × 1987

Divisors: 1, 2, 4, 8, 1987, 3974, 7948, 15896

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 11111000011000

Octal: 37030

Duodecimal: 9248

Hexadecimal: 3e18

Square: 252682816

Square Root: 126.07934009979589

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

T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock having the same number of equal edges as its horizontal neighbors and a different number from its vertical neighbors, and new values 0..3 introduced in row major order. A205609

T(n,k)=Number of nXk 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1 or 3 neighboring 1s. A297519

Smallest even fundamental discriminant k such that h(-k) = 2n, where h(D) is the class number of the quadratic field with discriminant D; or 0 if no such k exists. A344072

Breadth-first-wise A014486-like encoding of A080299-trees. A80313

Irregular array T(n,k) of the numbers of non-extendable (complete) non-self-adjacent simple paths incorporating each of a minimal subset of nodes within a square lattice bounded by rectangles with nodal dimensions n and 5, n >= 2. A214563

Given the associative array U(n,k) described below, numbers m > 5 such that [m-3..m+3] are not in U(n,k) (excluding the first row and column). A345473

Irregular array T(n,k) of the numbers of non-extendable (complete) non-self-adjacent simple paths incorporating each of a minimal subset of nodes within a square lattice bounded by rectangles with nodal dimensions n and 6, n >= 2. A214601

G.f. A(x) satisfies: A( x·A(x)² - x²*A(x) ) = x⁴. A291614

Number of 0..n arrays x(0..7) of 8 elements with zero 4th differences. A200331

Number of (n+1)X3 0..3 arrays with every 2X2 subblock having the same number of equal edges as its horizontal neighbors and a different number from its vertical neighbors, and new values 0..3 introduced in row major order. A205603