Properties of the Number 81414

Eighty-One Thousand Four Hundred Fourteen

Basics

Value: 81413 → 81414 → 81415

Parity: even

Prime: No

Previous Prime: 81409

Next Prime: 81421

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 4523

Divisors: 1, 2, 3, 6, 9, 18, 4523, 9046, 13569, 27138

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011111000000110

Octal: 237006

Duodecimal: 3B146

Hexadecimal: 13e06

Square: 6628239396

Square Root: 285.3313862861918

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

Trajectory of 18 under iteration of the map k -> A087712(k). A77960

Largest prime divisor of prime(2ⁿ+1) - prime(2ⁿ). A81414