Properties of the Number 84086

Eighty-Four Thousand Eighty-Six

Basics

Value: 84085 → 84086 → 84087

Parity: even

Prime: No

Previous Prime: 84067

Next Prime: 84089

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 42043

Divisors: 1, 2, 42043, 84086

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100100001110110

Octal: 244166

Duodecimal: 407B2

Hexadecimal: 14876

Square: 7070455396

Square Root: 289.9758610643307

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

Matrix inverse of triangle A137153(n,k) = C(2^k+n-k-1, n-k), read by rows. A137156

G.f.: 1 = ∑_n>=0 a(n)*xⁿ/(1+x)^8·2ⁿ. A137159

a(n) = Fibonacci(2·n+1) + 2·Fibonacci(2·n-1) - 2ⁿ - [n = 0], where [b] is the Iverson bracket of b. A84086