Properties of the Number 55845

Fifty-Five Thousand Eight Hundred Forty-Five

Basics

Value: 55844 → 55845 → 55846

Parity: odd

Prime: No

Previous Prime: 55843

Next Prime: 55849

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 5 × 17 × 73

Divisors: 1, 3, 5, 9, 15, 17, 45, 51, 73, 85

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101101000100101

Octal: 155045

Duodecimal: 28399

Hexadecimal: da25

Square: 3118664025

Square Root: 236.31546711969574

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

The number of P-positions in the game of Nim with up to 5 piles, allowing for piles of zero, such that the number of objects in the largest pile is n. A241731

Number of active (ON, black) cells at stage 2ⁿ-1 of the two-dimensional cellular automaton defined by "Rule 443", based on the 5-celled von Neumann neighborhood. A272226

a(n) = 4·a(n-1) - a(n-2) with a(0)=1, a(1)=8. A55845