Properties of the Number -13286

Thirteen Thousand Two Hundred Eighty-Six

Basics

Value: -13287 → -13286 → -13285

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 7 × 13 × 73

Divisors: 1, 2, 7, 13, 14, 26, 73, 91, 146, 182

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11001111100110

Octal: -31746

Duodecimal: -7832

Hexadecimal: -33e6

Square: 176517796

Square Root: 115.26491226735047

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

a(0) = 1; for n > 0, a(n) = 41·n² + 2. A206399

Palindromic numbers in bases 3 and 9 written in base 10. A259386

Maximal number of pieces obtained by slicing a torus (or a bagel) with n cuts: (n³ + 3·n² + 8·n)/6 (n > 0). A3600

Number of pairs of orientable necklaces with n beads and two colors; i.e., turning the necklace over does not leave it unchanged. A59076

Number of identity bracelets of n beads of 2 colors. A32239

Numbers k such that binomial(3k, k) - 1 is prime. A125220

T(n,k) = Number of n X k 0..4 arrays with each element·equal to the number of its horizontal and vertical neighbors equal to 3,1,2,4,0 for x=0,1,2,3,4. A197079

Primitive terms of A359565: terms of A359565 with no proper divisor in A359565. A359566

a(n) = -1 + 5·n/6 + n³/6. A283551

Number of 2n-bead balanced binary necklaces which are equivalent to their complement, but not equivalent to their reverse and their reversed complement. A45677