Properties of the Number 66930

Sixty-Six Thousand Nine Hundred Thirty

Basics

Value: 66929 → 66930 → 66931

Parity: even

Prime: No

Previous Prime: 66923

Next Prime: 66931

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 5 × 23 × 97

Divisors: 1, 2, 3, 5, 6, 10, 15, 23, 30, 46

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000010101110010

Octal: 202562

Duodecimal: 32896

Hexadecimal: 10572

Square: 4479624900

Square Root: 258.7083299779889

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) = 144·n² - 127·n + 28. A156719

a(n) is the least k such that [μ(k), μ(k+1), ..., μ(k+n-1)] forms a palindrome, where μ = A008683. A293041

Numbers k such that φ(σ(k)) divides σ(φ(k)). A66930

Number of n X 5 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 2,1,3,0,4 for x=0,1,2,3,4. A196693