Properties of the Number 66842

Sixty-Six Thousand Eight Hundred Forty-Two

Basics

Value: 66841 → 66842 → 66843

Parity: even

Prime: No

Previous Prime: 66841

Next Prime: 66851

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 19 × 1759

Divisors: 1, 2, 19, 38, 1759, 3518, 33421, 66842

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000010100011010

Octal: 202432

Duodecimal: 32822

Hexadecimal: 1051a

Square: 4467852964

Square Root: 258.53819833827265

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

Numerators of partial alternating sums of Catalan numbers scaled by powers of 1/5. A121006

Denominators of partial alternating sums of Catalan numbers scaled by powers of 1/5. A121007

a(n) = ∏_k∣n k^k; product is over the positive divisors, k, of n. A66842