Properties of the Number 85250

Eighty-Five Thousand Two Hundred Fifty

Basics

Value: 85249 → 85250 → 85251

Parity: even

Prime: No

Previous Prime: 85247

Next Prime: 85259

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 5 ³ × 11 × 31

Divisors: 1, 2, 5, 10, 11, 22, 25, 31, 50, 55

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100110100000010

Octal: 246402

Duodecimal: 41402

Hexadecimal: 14d02

Square: 7267562500

Square Root: 291.97602641312864

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

Poincaré series for invariant polynomial functions on the space of binary forms of degree 10. A293935

Solutions y of the Mordell equation y² = x³ - 3a² - 1 for a = 0,1,2, ... (solutions·are given by A053755). A173200

Expansion of (4 + 15·x - 35·x² + 20·x³ - 2·x⁵)/(1 - x)⁵. A257600

a(n) = (n⁴ + 20·n³ + 125·n² + 250·n + 24)/12. A257601

4 times hexagonal numbers: a(n) = 4·n*(2·n-1). A85250

Number of 4Xn 0..1 arrays with every element equal to 0, 1, 3, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A303199