Properties of the Number 81741

Eighty-One Thousand Seven Hundred Forty-One

Basics

Value: 81740 → 81741 → 81742

Parity: odd

Prime: No

Previous Prime: 81737

Next Prime: 81749

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 11 × 2477

Divisors: 1, 3, 11, 33, 2477, 7431, 27247, 81741

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011111101001101

Octal: 237515

Duodecimal: 3B379

Hexadecimal: 13f4d

Square: 6681591081

Square Root: 285.9038299848395

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 active (ON, black) cells at stage 2ⁿ-1 of the two-dimensional cellular automaton defined by "Rule 662", based on the 5-celled von Neumann neighborhood. A273389

Numbers k that divide A005554(k) (the sum of consecutive Motzkin numbers). A81741