Properties of the Number -51997

Fifty-One Thousand Nine Hundred Ninety-Seven

Basics

Value: -51998 → -51997 → -51996

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 11 × 29 × 163

Divisors: 1, 11, 29, 163, 319, 1793, 4727, 51997

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1100101100011101

Octal: -145435

Duodecimal: -26111

Hexadecimal: -cb1d

Square: 2703688009

Square Root: 228.028506989806

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

Composite squarefree numbers n such that p(i)-3 divides n+3, where p(i) are the prime factors of n. A225703

Number of ordered unlabeled rooted trees with n nodes such that the minimal outdegree of inner nodes equals 6. A244535

A list of equal temperaments (equal divisions of the octave) whose nearest scale steps are closer and closer approximations to the pair of ratios 6/5 and 5/3 which generate two complementary musical harmonies, the Minor 3rd (6/5) and the Major 6th (5/3). A61919

a(n) = ∑_{k=0..floor(n/2)} binomial(n-k, k-1)*4^n-k-1*(5/4)^k. A99622

Number of unlabeled loopless multigraphs with n edges covering four vertices. A328652

Denominators of the best rational approximations of log(6/5)/log(2). A328883