Properties of the Number 66288

Sixty-Six Thousand Two Hundred Eighty-Eight

Basics

Value: 66287 → 66288 → 66289

Parity: even

Prime: No

Previous Prime: 66271

Next Prime: 66293

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 ⁴ × 3 × 1381

Divisors: 1, 2, 3, 4, 6, 8, 12, 16, 24, 48

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000001011110000

Octal: 201360

Duodecimal: 32440

Hexadecimal: 102f0

Square: 4394098944

Square Root: 257.46456066806553

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) = the definite integral Integral_0..1 ∏_j=1..n 4·sin²(π*j·x) dx. A133871

Maximal coefficient of (1 - x)² * (1 - x²)² * (1 - x³)² * ... * (1 - xⁿ)². A369710

Sequence lists numbers k > 1 such that k³ == φ(k) (mod σ(k)), where φ = A000010 and σ = A000203. A324215

Number of 3-dimensional polyominoes (or polycubes) with n cells and rotational symmetry group of order exactly 24. A66288