Properties of the Number 19441

Nineteen Thousand Four Hundred Forty-One

Basics

Value: 19440 → 19441 → 19442

Parity: odd

Prime: Yes

Previous Prime: 19433

Next Prime: 19447

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 19441

Divisors: 1, 19441

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100101111110001

Octal: 45761

Duodecimal: B301

Hexadecimal: 4bf1

Square: 377952481

Square Root: 139.43098651304163

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

Cuban primes: primes which are the difference of two consecutive cubes. A2407

Primes arising in A046966. A46972

Primes having only {1, 4, 9} as digits. A260271

Primes p for which the period of reciprocal 1/p is (p-1)/12. A56217

Primes arising in A144728. A144729

Primes p such that (p+1)/2, (p+2)/3 and (p+3)/4 are also primes. A163573

a(n) = 3^2·n+1 - 3ⁿ⁺¹ + 1: The left Aurifeuillian factor of 3^6·n+3 + 1. A220978

Numbers n such that n+0, n+1, n+2, n+3 and n+4 are, in some order, 1·a prime, 2·a prime, 3·a prime, 4·a prime and 5·a prime. A71367

Numbers k such that τ(k) + τ(k+1) + τ(k+2) + τ(k+3) = 16, where τ is the number of divisors function A000005. A350686

Numbers k such that τ(k) + τ(k+1) + τ(k+2) + τ(k+3) + τ(k+4) = 20, where τ is the number of divisors function A000005. A350699