Properties of the Number 19292

Nineteen Thousand Two Hundred Ninety-Two

Basics

Value: 19291 → 19292 → 19293

Parity: even

Prime: No

Previous Prime: 19289

Next Prime: 19301

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 7 × 13 × 53

Divisors: 1, 2, 4, 7, 13, 14, 26, 28, 52, 53

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 100101101011100

Octal: 45534

Duodecimal: B1B8

Hexadecimal: 4b5c

Square: 372181264

Square Root: 138.8956442801573

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

G.f.: 1/((1-x)*(1-x²))³. A38163

a(n) = binomial(n+4,4)*(4·n+5)/5. A34263

Indices of prime Mersenne numbers (A001348). A16027

a(n) = ∑_k=0..n/2 k·binomial(n-2·k, 3·k+2). A137361

Expansion of ∏_k>=1 (1 + 2·x^k)^k. A261562

Number of ways to place 2 nonattacking amazons (superqueens) on an n X n board. A172200

Number of ternary maps f : S X S X S -> S on a set S of n elements which can be represented as a superposition of binary maps * : S X S -> S (Version 1). A283840

Triangle, read by rows, where the n-th diagonal equals the n-th row transformed by triangle A008459 (squared binomial coefficients). A97084

Number of length n 1..(4+1) arrays with every leading partial sum divisible by 2, 3 or 5. A254823

Numbers n such that (6k-1) for k=n, n+1, n+2, n+3 are all primes with no primes of the form (6k+1) in between. A296011