Properties of the Number 19043

Nineteen Thousand Forty-Three

Basics

Value: 19042 → 19043 → 19044

Parity: odd

Prime: No

Previous Prime: 19037

Next Prime: 19051

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 137 × 139

Divisors: 1, 137, 139, 19043

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 100101001100011

Octal: 45143

Duodecimal: B02B

Hexadecimal: 4a63

Square: 362635849

Square Root: 137.99637676402958

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

Products of 2 successive primes. A6094

Numbers that are the product of a pair of twin primes. A37074

Numbers k such that there is 1 prime between 100·k and 100·k + 99. A186393

Odd Fibonacci pseudoprimes: odd composite numbers k such that either (1) k divides Fibonacci(k-1) if k == +-1 (mod 5) or (2) k divides Fibonacci(k+1) if k == +-2 (mod 5). A81264

a(n) = prime(2·n-1)*prime(2·n). A89581

a(n) = (4·n+1)*(4·n+3). A1539

Inverse Mertens function: smallest k such that |M(k)| = n, where M(x) is Mertens's function A002321. A51402

Composite numbers k coprime to 13 such that k divides A006190(k-Kronecker(13,k)). A327653

Composite numbers k that divide Fibonacci(k+1). A69107

a(n) = 36n² - 1. A136017