Properties of the Number 81399

Eighty-One Thousand Three Hundred Ninety-Nine

Basics

Value: 81398 → 81399 → 81400

Parity: odd

Prime: No

Previous Prime: 81373

Next Prime: 81401

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 43 × 631

Divisors: 1, 3, 43, 129, 631, 1893, 27133, 81399

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011110111110111

Octal: 236767

Duodecimal: 3B133

Hexadecimal: 13df7

Square: 6625797201

Square Root: 285.30509984926664

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

Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 470", based on the 5-celled von Neumann neighborhood. A282421

a(n) = prime(n)³ + prime(n)² + prime(n). A181149

Bigomega of the n-th Catalan number: a(n) = A001222(A000108(n)). A81399