Properties of the Number 90063

Ninety Thousand Sixty-Three

Basics

Value: 90062 → 90063 → 90064

Parity: odd

Prime: No

Previous Prime: 90059

Next Prime: 90067

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 10007

Divisors: 1, 3, 9, 10007, 30021, 90063

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101111111001111

Octal: 257717

Duodecimal: 44153

Hexadecimal: 15fcf

Square: 8111343969

Square Root: 300.1049816314284

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

Number of permutations of n elements with at least one fixed point and at least one 2-cycle (transposition). A212650

Fibonacci numbers: F(n) = F(n-1) + F(n-2) with F(0) = 0 and F(1) = 1. A45

Jacobsthal sequence (or Jacobsthal numbers): a(n) = a(n-1) + 2·a(n-2), with a(0) = 0, a(1) = 1; also a(n) = nearest integer to 2ⁿ/3. A1045

The Franel number a(n) = ∑_{k = 0..n} binomial(n,k)³. A172

Number of domino tilings (or dimer coverings) of a 2n X 2n square. A4003

Octagonal pyramidal numbers: a(n) = n*(n+1)*(2·n-1)/2. A2414

Array T(m,n) read by antidiagonals: number of domino tilings (or dimer tilings) of the m X n grid (or m X n rectangle), for m>=1, n>=1. A99390

Expansion of 1 / ∏_k>=1 (1-x^k)^k+1. A5380

Rencontres numbers: number of permutations of [n] with exactly one fixed point. A240

Number of perfect matchings in the graph C₅ X C_2n. A231485