Properties of the Number 87839

Eighty-Seven Thousand Eight Hundred Thirty-Nine

Basics

Value: 87838 → 87839 → 87840

Parity: odd

Prime: No

Previous Prime: 87833

Next Prime: 87853

Digit Sum: 35

Digital Root: 8

Palindrome: No

Factorization: 17 × 5167

Divisors: 1, 17, 5167, 87839

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101011100011111

Octal: 253437

Duodecimal: 429BB

Hexadecimal: 1571f

Square: 7715689921

Square Root: 296.37644980666056

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

Expansion of (1/x) * Series_Reversion( x * (1 - x) / (1 + x / (1 - x)³) ). A389435

a(n) = a(n-1) + a(n-3) + a(n-4), where a(0) = 1, a(1) = 1, a(2) = 1, a(3) = -2. A295672

a(n) = 2·a(n-1) + a(n-3), where a(0) = 3, a(1) = 1, a(2) = 2. A332491

a(n) = a(a(a(a(a(n-2))))) + a(n - a(n-2)). A87839

Primes p such that the smallest possible number of 1's in binary representation of a multiple of p equals 3. A308732