Properties of the Number 66617

Sixty-Six Thousand Six Hundred Seventeen

Basics

Value: 66616 → 66617 → 66618

Parity: odd

Prime: Yes

Previous Prime: 66601

Next Prime: 66629

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 66617

Divisors: 1, 66617

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000010000111001

Octal: 202071

Duodecimal: 32675

Hexadecimal: 10439

Square: 4437824689

Square Root: 258.10269274069964

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

Beastly primes (version 2): primes containing 666 as a substring. A131645

Primes having only {1, 6, 7} as digits. A260891

Prime numbers p such that π(p) + 2·p is a square. A104783

Primes arising in A073946. A113943

Number of 5-step one space for components leftwards or up, two space for components rightwards or down asymmetric quasi-bishop's tours (antidiagonal moves become knight moves) on an n X n board summed over all starting positions. A187609

Beastly primes (version 1): either 666 followed by 0's and a 1 or 7 at the right end or a palindrome with 666 in the center, 0's surrounding these digits, and 1 or 7 at both ends. A186086

Composites of form prime+1 containing a record number of prime factors. A66617

Number of nX4 0..1 arrays with every element equal to 0, 2, 3, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero. A299717