Properties of the Number 19044

Nineteen Thousand Forty-Four

Basics

Value: 19043 → 19044 → 19045

Parity: even

Prime: No

Previous Prime: 19037

Next Prime: 19051

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 23 ²

Divisors: 1, 2, 3, 4, 6, 9, 12, 18, 23, 36

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100101001100100

Octal: 45144

Duodecimal: B030

Hexadecimal: 4a64

Square: 362673936

Square Root: 138

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

Exponential abundant numbers: integers k for which A126164(k) > k, or equivalently for which A051377(k) > 2k. A129575

A convolution triangle of numbers, generalizing Pascal's triangle A007318. A35324

Number of stable n-celled patterns ("still lifes") in Conway's Game of Life, up to rotation and reflection. A19473

Numbers that are the squares of the product of three distinct primes. A162143

a(n) = (11·n + 6)². A17462

a(n) = prime(n)*prime(n-1) + 1. A23523

Squares which are the arithmetic mean of two consecutive primes. A69495

Cyclops squares: squares (A000290) that are also cyclops numbers (A134808). A160711

Determinant of the n X n (0,1)-matrix with (i,j)-entry equal to 1 if and only if i + j is 2 or an odd composite number. A228591

Squares whose digits are squares. A19544