Properties of the Number 89684

Eighty-Nine Thousand Six Hundred Eighty-Four

Basics

Value: 89683 → 89684 → 89685

Parity: even

Prime: No

Previous Prime: 89681

Next Prime: 89689

Digit Sum: 35

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 7 × 3203

Divisors: 1, 2, 4, 7, 14, 28, 3203, 6406, 12812, 22421

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101111001010100

Octal: 257124

Duodecimal: 43A98

Hexadecimal: 15e54

Square: 8043219856

Square Root: 299.4728702236648

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 8-almost primes 8ap such that 2ⁿ < 8ap <= 2ⁿ⁺¹. A120039

Expansion of (1-x)^-1/(1+x+x²-x³). A77908

Number of 10-step S, E, and NW-moving king's tours on an n X n board summed over all starting positions. A187515

Expansion of 1 / ((1-x)*(1-x+x²+x³)). A77872

T(n,k)=Number of n-step S, E, and NW-moving king's tours on a kXk board summed over all starting positions. A187507

Numbers k such that 2*φ(k) > k. A89684