Properties of the Number 40556

Forty Thousand Five Hundred Fifty-Six

Basics

Value: 40555 → 40556 → 40557

Parity: even

Prime: No

Previous Prime: 40543

Next Prime: 40559

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 10139

Divisors: 1, 2, 4, 10139, 20278, 40556

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001111001101100

Octal: 117154

Duodecimal: 1B578

Hexadecimal: 9e6c

Square: 1644789136

Square Root: 201.38520303140447

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

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 803", based on the 5-celled von Neumann neighborhood. A273578

Number of nX4 0..1 arrays with every element equal to 1, 2, 3, 4, 5 or 7 king-move adjacent elements, with upper left element zero. A299138

Continued fraction for sqrt(581). A40556