Properties of the Number 55387

Fifty-Five Thousand Three Hundred Eighty-Seven

Basics

Value: 55386 → 55387 → 55388

Parity: odd

Prime: No

Previous Prime: 55381

Next Prime: 55399

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 97 × 571

Divisors: 1, 97, 571, 55387

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101100001011011

Octal: 154133

Duodecimal: 28077

Hexadecimal: d85b

Square: 3067719769

Square Root: 235.34442844477962

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

Solutions k of the equation φ(k) = φ(k-1) + φ(k-2). Also known as Phibonacci numbers. A65557

Composite numbers k such that φ(k) = φ(k-1) + φ(k-2). A65572

Number of FF-equivalence classes of Łukasiewicz paths. Łukasiewicz paths are P-equivalent iff the positions of pattern P are identical in these paths. A302483

2, 3, 5, 7, together with primes such that there is a nontrivial rearrangement of the digits which is a prime. A55387

Number of 4Xn 0..1 arrays avoiding 0 1 0 horizontally and 0 1 1 vertically. A207001

Number of nX6 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 0 and 0 1 1 vertically. A207906