Properties of the Number 99169

Ninety-Nine Thousand One Hundred Sixty-Nine

Basics

Value: 99168 → 99169 → 99170

Parity: odd

Prime: No

Previous Prime: 99149

Next Prime: 99173

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 7 × 31 × 457

Divisors: 1, 7, 31, 217, 457, 3199, 14167, 99169

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11000001101100001

Octal: 301541

Duodecimal: 49481

Hexadecimal: 18361

Square: 9834490561

Square Root: 314.9110985659286

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 relaxed compacted binary trees of right height at most one with empty sequences between branch nodes on level 0. A288952

Expansion of e.g.f. exp(x) / (1 - x·exp(2·x)). A368291

a(n) = (1/n) * ∑_k=0..n-1 C(n,k) * C(n,k+1) * (n-1)^k. A99169