Properties of the Number 19031

Nineteen Thousand Thirty-One

Basics

Value: 19030 → 19031 → 19032

Parity: odd

Prime: Yes

Previous Prime: 19013

Next Prime: 19037

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 19031

Divisors: 1, 19031

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100101001010111

Octal: 45127

Duodecimal: B01B

Hexadecimal: 4a57

Square: 362178961

Square Root: 137.95289050976785

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

List of Ormiston prime pairs. A72274

Irregular array read by rows. a(n) is the largest element in the primitive Collatz-like 3x-k cycle associated with A226623(n). A226624

Primes that are palindromic in base 11. A29978

Primes of the form n² - 13. A154648

Primes that are each the sum of two, three, and four consecutive composite numbers. A60339

Primes congruent to 60 mod 61. A142858

Primes p such that the multiplicative order of 2 modulo p is (p-1)/10. A152310

Number of n X 3 binary arrays with rows and columns in nondecreasing order. A184138

a(n) = (2^p+1)^p-1 modulo p², where p is prime(n). A260531

a(n) = smallest prime q such that ∑_{primes p <= q} 1/sqrt(p) >= n. A292775