Properties of the Number 86387

Eighty-Six Thousand Three Hundred Eighty-Seven

Basics

Value: 86386 → 86387 → 86388

Parity: odd

Prime: No

Previous Prime: 86381

Next Prime: 86389

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 7 ² × 41 × 43

Divisors: 1, 7, 41, 43, 49, 287, 301, 1763, 2009, 2107

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10101000101110011

Octal: 250563

Duodecimal: 41BAB

Hexadecimal: 15173

Square: 7462713769

Square Root: 293.9166548530382

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

S₁₃ sequence in partition of integers > 1 described in A240521. A241025

Number·such that usigma(x) = (-1)σ(x), where usigma(x) is the sum of unitary divisors of x (A034448) and (-1)σ(x) is defined in A049060 . A258101

Numbers of the form 49·k, where 49·k+2 and 49·k-6 are both prime. A153779

Numbers 41·k such that 41·k+2 and 41·k-6 are both prime. A153822

Rectangular array A read by upward antidiagonals in which the entry in row n and column k is defined by A(n,k) = 5 + 9·A005836(2^{k - 1}*(2 n - 1)), n,k >= 1. A265159

Duplicate of A073264. A86387