Properties of the Number 99141

Ninety-Nine Thousand One Hundred Forty-One

Basics

Value: 99140 → 99141 → 99142

Parity: odd

Prime: No

Previous Prime: 99139

Next Prime: 99149

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 7 × 4721

Divisors: 1, 3, 7, 21, 4721, 14163, 33047, 99141

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11000001101000101

Octal: 301505

Duodecimal: 49459

Hexadecimal: 18345

Square: 9828937881

Square Root: 314.86663843602105

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

a(n) = ∑_k=1..n k·lcm(k,k')/gcd(k,k'), where k' is arithmetic derivative of k. A190122

The Matula-Goebel numbers of the rooted trees that have palindromic Wiener polynomials. A198322

Subfactorial or rencontres numbers, or derangements: number of permutations of n elements with no fixed points. A166

a(n) = 5ⁿ * T(n,7/5) where T is the Chebyshev polynomial of the first kind. A99141