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Properties of the Number 18192

Eighteen Thousand One Hundred Ninety-Two

Basics

Value: 18191 → 18192 → 18193

Parity: even

Prime: No

Previous Prime: 18191

Next Prime: 18199

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 4 × 3 × 379

Divisors: 1, 2, 3, 4, 6, 8, 12, 16, 24, 48

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100011100010000

Octal: 43420

Duodecimal: A640

Hexadecimal: 4710

Square: 330948864

Square Root: 134.87772240069893

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

Convolution triangle of A002605(n) (generalized (2,2)-Fibonacci), n>=0. A73387
Number of tilings of a 5 X n rectangle using n pentominoes of shapes F, U, N. A234931
Convolution of A002605(n) (generalized (2,2)-Fibonacci), n >= 0, with itself. A73388
E.g.f. exp(x·tan(x)) (even powers only). A9252
Put the natural numbers together without spaces and read them five at a time advancing one space each time. A193493
Expansion of (ellipticE / ellipticK)1/2 in powers of q. A261977
Number of 2 X 2 matrices having all elements in {-n,...n} and determinant 3. A209986
Expansion of ∑k>0 (1/(1+xk)4 - 1). A363631
Triangle of coefficients of polynomials v(n,x) jointly generated with A208757; see the Formula section. A208758
Triangle of coefficients of polynomials u(n,x) jointly generated with A208760; see the Formula section. A208759