Properties of the Number 66159

Sixty-Six Thousand One Hundred Fifty-Nine

Basics

Value: 66158 → 66159 → 66160

Parity: odd

Prime: No

Previous Prime: 66137

Next Prime: 66161

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 7351

Divisors: 1, 3, 9, 7351, 22053, 66159

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000001001101111

Octal: 201157

Duodecimal: 32353

Hexadecimal: 1026f

Square: 4377013281

Square Root: 257.21391875246564

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

Numbers n such that n!8-2 is prime. A204664

Numbers k such that the decimal part of k^1/6 starts with a 'nine digits' anagram. A34281

Numbers k such that 4k-1 divides (2k-1)! + 1. A66159

Number of (n+1)X(6+1) 0..1 arrays with every element equal to some horizontal or antidiagonal neighbor, with top left element zero. A232314