Properties of the Number 81066

Eighty-One Thousand Sixty-Six

Basics

Value: 81065 → 81066 → 81067

Parity: even

Prime: No

Previous Prime: 81049

Next Prime: 81071

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 59 × 229

Divisors: 1, 2, 3, 6, 59, 118, 177, 229, 354, 458

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011110010101010

Octal: 236252

Duodecimal: 3AAB6

Hexadecimal: 13caa

Square: 6571696356

Square Root: 284.72091598616356

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

Number of polyominoes consisting of 6 regular unit n-gons. A103472

Growth series for group with presentation < S, T : S² = T³ = (S·T)⁸ = 1 >. A298810

Even order Taylor expansion coefficients at x=0 of exp(exp(x²/2)-1), odd order coefficients being equal to zero. A81066