Properties of the Number 66814

Sixty-Six Thousand Eight Hundred Fourteen

Basics

Value: 66813 → 66814 → 66815

Parity: even

Prime: No

Previous Prime: 66809

Next Prime: 66821

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 11 × 3037

Divisors: 1, 2, 11, 22, 3037, 6074, 33407, 66814

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000010011111110

Octal: 202376

Duodecimal: 327BA

Hexadecimal: 104fe

Square: 4464110596

Square Root: 258.484042060627

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) = n * (6·n² + 6·n + 1). A94421

Number of compositions (ordered partitions) of n into quarter-squares (A002620). A282583

Smallest prime p such that (p-1) has n divisors, or 0 if no such prime exists. A66814