Properties of the Number 51866

Fifty-One Thousand Eight Hundred Sixty-Six

Basics

Value: 51865 → 51866 → 51867

Parity: even

Prime: No

Previous Prime: 51859

Next Prime: 51869

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 25933

Divisors: 1, 2, 25933, 51866

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100101010011010

Octal: 145232

Duodecimal: 26022

Hexadecimal: ca9a

Square: 2690081956

Square Root: 227.74108105478027

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

Number of irreducible Boolean polynomials of degree n. A169912

Number of entries in the eighth cycles of all permutations of [n] when cycles are ordered by increasing lengths. A332912

Number of alternating permutations on 2n letters that avoid a certain pattern of length 4 (see Lewis, 2012, Appendix, for precise definition). A217807

14-gonal (or tetradecagonal) numbers: a(n) = n*(6·n-5). A51866