Properties of the Number 80325

Eighty Thousand Three Hundred Twenty-Five

Basics

Value: 80324 → 80325 → 80326

Parity: odd

Prime: No

Previous Prime: 80317

Next Prime: 80329

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 5 ² × 7 × 17

Divisors: 1, 3, 5, 7, 9, 15, 17, 21, 25, 27

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011100111000101

Octal: 234705

Duodecimal: 3A599

Hexadecimal: 139c5

Square: 6452105625

Square Root: 283.41665441536776

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

Fifth column (m=4) of (1,3)-Pascal triangle A095660. A95661

a(n) = ((sqrt(2); sqrt(2))_n - (-sqrt(2); -sqrt(2))_n)/(2·sqrt(2)), where (q; q)_n is the q-Pochhammer symbol. A276475

Numerator of (2ⁿ - 1)*n! / 2ⁿ⁺¹. A382709

Numbers n such that φ(n)=d₁!!*d₂!!*...*d_k!! where d₁ d₂ ... d_k is the decimal expansion of n. A139408

Triangle of polynomials P(n,y) of order n in y, generated by the extension to the variable y of the e.g.f. of A259239(n), i.e., exp(y*(x-sqrt(1-x²)+1)). A259286

a(n) = a(n-1)*a(n-2) with a(0)=1, a(1)=8. A215271

a(n) = ((n+1)!*(2·n+1)!/4) * [x^2·n-2] 1/sin(x)². A80325