Properties of the Number 19192

Nineteen Thousand One Hundred Ninety-Two

Basics

Value: 19191 → 19192 → 19193

Parity: even

Prime: No

Previous Prime: 19183

Next Prime: 19207

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ³ × 2399

Divisors: 1, 2, 4, 8, 2399, 4798, 9596, 19192

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 100101011111000

Octal: 45370

Duodecimal: B134

Hexadecimal: 4af8

Square: 368332864

Square Root: 138.53519408439143

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

Numbers k such that the digit sum of 167^k is divisible by k. A175552

Coefficient of x² in the reduction of the n-th Fibonacci polynomial by x³->x²+3x+1. A192779

Number of tree-partitions of a multiset whose multiplicities are the prime indices of n. A318847

Expansion of ∏_m>=1 (1 - m·q^m)⁴. A22664

Number of 2 X 2 matrices having all terms in {-n,...,0,...,n} and determinant n. A211140

Numbers n such that gcd(n, φ(n)) = gcd(φ(n), σ(n)) = gcd(σ(n), n) = τ(n). A217301

a(n) = prime(n)*prime(n+1) + prime(n+2). A292926

Number of (n+1) X 3 binary arrays with every 2 X 2 subblock commuting with each of its horizontal and vertical 2 X 2 subblock neighbors. A186455

Number of (7+2)X(n+2) 0..4 arrays with every consecutive three elements in every row and diagonal having exactly two distinct values, and in every column and antidiagonal not having exactly two distinct values, and new values 0 upwards introduced in row major order. A252968

a(n) = A002070(n) + A036689(n). A366346