Properties of the Number 15888

Fifteen Thousand Eight Hundred Eighty-Eight

Basics

Value: 15887 → 15888 → 15889

Parity: even

Prime: No

Previous Prime: 15887

Next Prime: 15889

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 ⁴ × 3 × 331

Divisors: 1, 2, 3, 4, 6, 8, 12, 16, 24, 48

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11111000010000

Octal: 37020

Duodecimal: 9240

Hexadecimal: 3e10

Square: 252428544

Square Root: 126.04761005270984

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 partitions of n such that number of odd parts is greater than or equal to number of even parts. A130780

Number of partitions of n such that the number of parts and the greatest part are coprime. A200750

a(1) = 1, a(2) = 2, a(n+2) = 2·a(n+1) + (n + 1)*(n + 2)*a(n). A142983

a(n) = n*(31·n + 1)/2. A22289

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock diagonal maximum minus antidiagonal minimum unequal to its neighbors horizontally, vertically, diagonally and antidiagonally. A253468

Least positive integer k such that prime(k)-k, prime(k)+k, prime(k·n)-k·n, prime(k·n)+k·n, prime(k)+k·n and prime(k·n)+k are all prime. A259492

Number of non-equivalent ways to tile an n X n X n triangular area with three 2 X 2 X 2 triangular tiles and an appropriate number (= n²-12) of 1 X 1 X 1 tiles. A286445

a(n) = 441n² + 2n. A158321

Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 302", based on the 5-celled von Neumann neighborhood. A287541

a(n) = 512n + 16. A157475