Properties of the Number 56016

Fifty-Six Thousand Sixteen

Basics

Value: 56015 → 56016 → 56017

Parity: even

Prime: No

Previous Prime: 56009

Next Prime: 56039

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ⁴ × 3 ² × 389

Divisors: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101101011010000

Octal: 155320

Duodecimal: 28500

Hexadecimal: dad0

Square: 3137792256

Square Root: 236.67699507979225

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

Triangle read by rows: T(n, k) = (6·n-6·k+1)*T(n-1, k-1) + (6·k-5)*T(n-1, k) + 6·T(n-2, k-1) with T(n, 1) = T(n, n) = 1. A144443

a(n) is the number of quadruples (a₁, a₂, a₃, a₄) having all terms in {1,...,n} such that there exists a quadrilateral with these side lengths. A346636

Cube root of A030697. A30698

Diagonal sums of A107111, viewed as a number triangle. A107113

Figurate numbers based on the small stellated dodecahedron: a(n) = n*(21·n² - 33·n + 14)/2. A318159

a(n) = -2·a(n - 1) -a(n - 2) -a(n - 3), a(0) = a(1) = a(2) = 1. A56016

Number of nX5 0..1 arrays avoiding 0 0 1 and 0 1 1 horizontally and 0 0 1 and 1 0 0 vertically. A207749