Properties of the Number 84850

Eighty-Four Thousand Eight Hundred Fifty

Basics

Value: 84849 → 84850 → 84851

Parity: even

Prime: No

Previous Prime: 84827

Next Prime: 84857

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 5 ² × 1697

Divisors: 1, 2, 5, 10, 25, 50, 1697, 3394, 8485, 16970

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100101101110010

Octal: 245562

Duodecimal: 4112A

Hexadecimal: 14b72

Square: 7199522500

Square Root: 291.29023327259017

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>=2 1/(1 - x^k)^bigomega(k), where bigomega(k) is the number of prime divisors of k counted with multiplicity (A001222). A293549

a(n) = ∑_k=0..n (-1)^k * binomial(3·n+2·k+1,n-k). A390544

Number of nX4 0..1 arrays with every element unequal to 0, 1, 3, 5 or 8 king-move adjacent elements, with upper left element zero. A305343

a(n) = 2^n-1*(n²+2n+2). A84850