Properties of the Number 87293

Eighty-Seven Thousand Two Hundred Ninety-Three

Basics

Value: 87292 → 87293 → 87294

Parity: odd

Prime: Yes

Previous Prime: 87281

Next Prime: 87299

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 87293

Divisors: 1, 87293

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101010011111101

Octal: 252375

Duodecimal: 42625

Hexadecimal: 154fd

Square: 7620067849

Square Root: 295.45388811115686

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

a(n) = p(1)p(n) + p(2)p(n-1) + ... + p(k)p(n+1-k), where k = [ (n+1)/2 ], p = A000040 = the primes. A24697

G.f. = continued fraction: A(x)=1/(1-x/(1-2·x²/(1-3·x³/(1-4·x⁴/(...))))). A88357

Numbers k such that ((prime(k)*prime(k+1))² + 1)/2 is prime. A87293