Properties of the Number 85808

Eighty-Five Thousand Eight Hundred Eight

Basics

Value: 85807 → 85808 → 85809

Parity: even

Prime: No

Previous Prime: 85793

Next Prime: 85817

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 ⁴ × 31 × 173

Divisors: 1, 2, 4, 8, 16, 31, 62, 124, 173, 248

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10100111100110000

Octal: 247460

Duodecimal: 417A8

Hexadecimal: 14f30

Square: 7363012864

Square Root: 292.9300257740746

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

Expansion of ∏_k>=1 (1+x^k)^k⁵. A248884

Number of (n+2)X(4+2) 0..3 arrays with every 3X3 subblock row and column sum not equal to 2 3 4 6 or 7 and every 3X3 diagonal and antidiagonal sum equal to 2 3 4 6 or 7. A252274

Number of (n+2)X(7+2) 0..3 arrays with every 3X3 subblock row and column sum not equal to 2 3 4 6 or 7 and every 3X3 diagonal and antidiagonal sum equal to 2 3 4 6 or 7. A252277

T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row and column sum not equal to 2 3 4 6 or 7 and every 3X3 diagonal and antidiagonal sum equal to 2 3 4 6 or 7. A252278

Square array A(n,k), n>=0, k>=0, read by antidiagonals, where column k is the expansion of ∏_j>=1 (1+x^j)^{j^k} in powers of x. A284992

Price is Right wheel. A85808