Properties of the Number -13568

Thirteen Thousand Five Hundred Sixty-Eight

Basics

Value: -13569 → -13568 → -13567

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ⁸ × 53

Divisors: 1, 2, 4, 8, 16, 32, 53, 64, 106, 128

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11010100000000

Octal: -32400

Duodecimal: -7A28

Hexadecimal: -3500

Square: 184090624

Square Root: 116.48175822848829

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

E.g.f. satisfies A(x) = exp(x + x / A(x)). A362693

a(n) = ∑_k=0..n k⁴ * (-1)^k * 3^n-k * binomial(n,k). A383151

Determinant of the n-th principal submatrix of A204237. A204238

Tan(sin(x)²) = 2/2!*x² - 8/4!*x⁴ + 272/6!*x⁶ - 13568/8!*x⁸ + ... A9675

Expansion of e.g.f. arctanh(sin(x)*sin(x)), even powers only. A12301

Expansion of e.g.f. log(sech(x) + tanh(x)). A13208

Duplicate of A009675. A12296

Products of the 8th power of a prime and a distinct prime (p⁸*q). A179668

Numbers k such that (number of prime factors of k counted with multiplicity) less (number of distinct prime factors of k) = 7. A195091

Irregular triangle read by rows: row n consists of the coefficients of the expansion of the polynomial (2·x + 2)ⁿ + (x² - 1)*(x + 2)ⁿ. A300184