Properties of the Number 66069

Sixty-Six Thousand Sixty-Nine

Basics

Value: 66068 → 66069 → 66070

Parity: odd

Prime: No

Previous Prime: 66067

Next Prime: 66071

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 2447

Divisors: 1, 3, 9, 27, 2447, 7341, 22023, 66069

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000001000010101

Octal: 201025

Duodecimal: 32299

Hexadecimal: 10215

Square: 4365112761

Square Root: 257.03890756070376

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 ∏_k>=1 (∏_j=1..k (1 + x^k·j)^j). A327063

a(n) = ∑_{1 <= x₁, x₂, x₃ <= n} gcd(x₁, x₂, x₃, n)⁵. A372930

Cyclops numbers with circular digits {0,6,8,9}. A274765

Number of rooted trees with n nodes and 5 leaves. A55280

a(n) is the smallest positive integer m such that n divides (n + m)^m. A66069

Number of (n+2) X 5 0..3 arrays with every 3 X 3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally exactly three ways, and new values 0..3 introduced in row major order. A204637