Properties of the Number 90082

Ninety Thousand Eighty-Two

Basics

Value: 90081 → 90082 → 90083

Parity: even

Prime: No

Previous Prime: 90073

Next Prime: 90089

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 73 × 617

Divisors: 1, 2, 73, 146, 617, 1234, 45041, 90082

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101111111100010

Octal: 257742

Duodecimal: 4416A

Hexadecimal: 15fe2

Square: 8114766724

Square Root: 300.13663555121025

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

Write down decimal expansion of Euler-Mascheroni constant γ (A001620); divide up into chunks of minimal length so that chunks are increasing numbers and do not begin with 0. A98967

Sums of two odd fourth powers. A343588

Number of 3X3 0..n arrays with the array of 2X2 subblock determinants antisymmetric and no off-diagonal 2X2 subblock determinant zero. A187522

Sums of two distinct odd fourth powers. A342832

a(n) = binomial(n+3, 3)/4 for odd n, n*(n+2)*(n+4)/24 for even n. A6918

Fine's sequence (or Fine numbers): number of relations of valence >= 1 on an n-set; also number of ordered rooted trees with n nodes having root of even degree. A957

Number of ordered rooted trees with n edges having root of odd degree. A958

Even pseudoprimes to base 5. A90082

a(0) = 1, a(1) = 4; thereafter a(n)*(2n + 10) - a(n-1)*(11n + 35) + a(n-2)*(8n + 2) + a(n-3)*(15n + 7) + a(n-4)*(4n - 2) = 0. A1559

Maximum number of colors needed to color a planar map of several empires, each empire consisting of n countries. A230628