Properties of the Number 8719

Eight Thousand Seven Hundred Nineteen

Basics

Value: 8718 → 8719 → 8720

Parity: odd

Prime: Yes

Previous Prime: 8713

Next Prime: 8731

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 8719

Divisors: 1, 8719

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001000001111

Octal: 21017

Duodecimal: 5067

Hexadecimal: 220f

Square: 76020961

Square Root: 93.37558567420072

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: Yes

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Numbers n such that (13ⁿ - 2ⁿ)/11 is prime. A217320

Primes with indices that are primes with prime indices. A38580

Indices in A146326 where records occur. A146345

Primes prime(k) for which A049076(k) = 3. A49079

Primes p=prime(k) of level (1,2), i.e., such that A118534(k) = prime(k-2). A117876

Number of digits in A110774(n). A110775

Primes of the form 2·n² + 58·n + 27. A217498

Primes that remain prime when a single "7" digit is inserted between any two adjacent digits. A217065

T(n,k)=Number of nXk 0..4 arrays with each element·equal to the number of its horizontal and vertical neighbors equal to 4,2,3,0,1 for x=0,1,2,3,4. A196809

a(n) = ceiling(a(n-1)*4/3), with a(1) = 1. A87192