Properties of the Number 86005

Eighty-Six Thousand Five

Basics

Value: 86004 → 86005 → 86006

Parity: odd

Prime: No

Previous Prime: 85999

Next Prime: 86011

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 × 103 × 167

Divisors: 1, 5, 103, 167, 515, 835, 17201, 86005

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100111111110101

Octal: 247765

Duodecimal: 41931

Hexadecimal: 14ff5

Square: 7396860025

Square Root: 293.26609077764175

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) = a(n-1) + a(n-3) + a(n-5) - a(n-6), a(0) = a(1) = a(2) = 1, a(3) = 2, a(4) = 3, a(5) = 5. A278706

Semiprimes sandwiched between semiprimes. A86005

Numbers k such that σ(σ(2k-1)) is a prime p. A247821