Properties of the Number -13860

Thirteen Thousand Eight Hundred Sixty

Basics

Value: -13861 → -13860 → -13859

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 5 × 7 × 11

Divisors: 1, 2, 3, 4, 5, 6, 7, 9, 10, 11

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11011000100100

Octal: -33044

Duodecimal: -8030

Hexadecimal: -3624

Square: 192099600

Square Root: 117.7285012220915

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

Expansion of 1/(1 + 2·x - x²). A77985

Irregular triangle T(n,k) of nonzero coefficients of the modified Hermite polynomials (n >= 0 and 0 <= k <= floor(n/2)). A96713

Matrix inverse of triangle A001497 of Bessel polynomials, read by rows; essentially the same as triangle A096713 of modified Hermite polynomials. A104556

a(n) = -2·a(n-1) + a(n-2) for n > 2, with a(0) = a(1) = 1, a(2) = 0. A215936

Expansion of ∏_k>=1 (1 - x^k)¹⁵. A10822

Expansion of 2+(1-2·x)/(-1+2·x+x²). A176981

List of triples (r,s,t): the matrix M = [[1,4,4][1,3,2][1,2,1]] is raised to successive negative powers, then (r,s,t) are the square roots of M[3,1], M[1,1], M[1,3] respectively. A249577

Triangle, read by rows, of Lambert's denominator polynomials related to convergents of tan(x). A334823

Coefficients of polynomial in·multiplying sinh(x) in the modified spherical Bessel function of the first kind i_n(x). A94674

Coefficient array of orthogonal polynomials whose moment sequence is the double factorial numbers A001147. A176231