Properties of the Number 89661

Eighty-Nine Thousand Six Hundred Sixty-One

Basics

Value: 89660 → 89661 → 89662

Parity: odd

Prime: No

Previous Prime: 89659

Next Prime: 89669

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 11 ² × 13 × 19

Divisors: 1, 3, 11, 13, 19, 33, 39, 57, 121, 143

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101111000111101

Octal: 257075

Duodecimal: 43A79

Hexadecimal: 15e3d

Square: 8039094921

Square Root: 299.43446695395636

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 1/((1-7·x)*(1-8·x)*(1-11·x)). A20968

Dimensions of certain Lie algebra (see reference for precise definition). A133319

a(n) = S1(n,4), where S1(n,t) = ∑_k=0..n k^t * ∑_j=0..k binomial(n,j). A89661

Square array A(n, k) = σ((2n-1)²) * σ((2k-1)²), read by antidiagonals. A379220