Properties of the Number -66431

Sixty-Six Thousand Four Hundred Thirty-One

Basics

Value: -66432 → -66431 → -66430

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 66431

Divisors: 1, 66431

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10000001101111111

Octal: -201577

Duodecimal: -3253B

Hexadecimal: -1037f

Square: 4413077761

Square Root: 257.74211918116913

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

Apply inverse of "INVERT" transform to primes with prime exponents. A58315

Lengths of successive generations of the Kolakoski sequence A000002. A54352

a(n) = A047848(6, n). A47854

Number of distinct quadratic residues mod 3ⁿ. A39300

Primes equal to a centered 9-gonal number plus 1. A285812

a(n) = ceiling((n + 1/2)³). A34131

Balanced primes separated from the next lower and next higher prime neighbors by 18. A53073

Primes of the form x⁵ + x⁴ + x³ + x² + x + 2. A88549

Primes of the form (p² - 1)/16 - p, where p is also a prime. A165616

a(n) = A047848(n, n). A196793