Properties of the Number 54891

Fifty-Four Thousand Eight Hundred Ninety-One

Basics

Value: 54890 → 54891 → 54892

Parity: odd

Prime: No

Previous Prime: 54881

Next Prime: 54907

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 19 × 107

Divisors: 1, 3, 9, 19, 27, 57, 107, 171, 321, 513

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: 1101011001101011

Octal: 153153

Duodecimal: 27923

Hexadecimal: d66b

Square: 3013021881

Square Root: 234.28828395803322

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

a(n) = 8·n³ + n. A118465

Schroeder pseudoprimes: Composites k that divide the k-th Schroeder number A001003(k-1). A75764

Numbers k such that the period of the continued fraction for sqrt(5)*k is 2. A65030

Cusp form of weight 13/2 associated to the unique cusp form of weight 12 under Shimura correspondence. A54891

Numbers k such that k^p-p is prime, where p is product of the digits of k. A178328