Properties of the Number 66185

Sixty-Six Thousand One Hundred Eighty-Five

Basics

Value: 66184 → 66185 → 66186

Parity: odd

Prime: No

Previous Prime: 66179

Next Prime: 66191

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 5 × 7 × 31 × 61

Divisors: 1, 5, 7, 31, 35, 61, 155, 217, 305, 427

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000001010001001

Octal: 201211

Duodecimal: 32375

Hexadecimal: 10289

Square: 4380454225

Square Root: 257.26445537617514

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) = 7·A000330(n). A169607

G.f.: (t⁵ + 2·t⁴ + t³ + 2·t² + t) / (t⁶ + t⁵ - 2·t⁴ - 5·t³ - 2·t² + t + 1). A180510

Sum of the first moments of all partitions of n with weights starting at 0. A66185