Properties of the Number 66328

Sixty-Six Thousand Three Hundred Twenty-Eight

Basics

Value: 66327 → 66328 → 66329

Parity: even

Prime: No

Previous Prime: 66301

Next Prime: 66337

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ³ × 8291

Divisors: 1, 2, 4, 8, 8291, 16582, 33164, 66328

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000001100011000

Octal: 201430

Duodecimal: 32474

Hexadecimal: 10318

Square: 4399403584

Square Root: 257.54222954692307

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

Infinite sum of the natural numbers, compacted (see comments for an explanation). A336897

Absolute discriminants of imaginary quadratic number fields with elementary bicyclic 5-class group (5,5). A359871

a(n) = sum of indices of distinct prime factors of n; here, index(i-th prime) = i. A66328

Coefficients of Chebyshev T polynomials: a(n) = A053120(n+8, n), n >= 0. A6974