Properties of the Number -58786

Fifty-Eight Thousand Seven Hundred Eighty-Six

Basics

Value: -58787 → -58786 → -58785

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 2 × 7 × 13 × 17 × 19

Divisors: 1, 2, 7, 13, 14, 17, 19, 26, 34, 38

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -1110010110100010

Octal: -162642

Duodecimal: -2A02A

Hexadecimal: -e5a2

Square: 3455793796

Square Root: 242.45824382767438

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

Carlitz-Riordan q-Catalan numbers (recurrence version) for q = -1. A90192

Convolution of A115140 with itself. A115141

O.g.f. inverse of Catalan A000108 o.g.f. A115140

a(n) = (-1)ⁿ*Catalan(n). A168491

An inverse Chebyshev transform of 1-x. A99363

a(n) = (-1)^[(n+1)/2] A000108([n/2]+1). A129996

Dirichlet inverse of Catalan numbers, when started from A000108(1): 1, 2, 5, 14, 42, ... A349449

Expansion of c(-x²)(1+2x-sqrt(1+4x²))/2, c(x) the g.f. of A000108. A106181

Convolution inverse of A001700. A246432

G.f.: A(x,y) = ∑_n=-oo..+oo (x·y)^n*(n+1/2) * C(x)ⁿ, where C(x) = 1 + x·C(x)² is the g.f. of the Catalan numbers (A000108), as a triangle of coefficients T(n,k) of xⁿ*y^k in A(x,y), read by rows n >= 0. A355343