Properties of the Number 81351

Eighty-One Thousand Three Hundred Fifty-One

Basics

Value: 81350 → 81351 → 81352

Parity: odd

Prime: No

Previous Prime: 81349

Next Prime: 81353

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 23 × 131

Divisors: 1, 3, 9, 23, 27, 69, 131, 207, 393, 621

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011110111000111

Octal: 236707

Duodecimal: 3B0B3

Hexadecimal: 13dc7

Square: 6617985201

Square Root: 285.2209669712239

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

Expansion of (1-x)/(1-2·x-x³+x⁴). A52540

First row in square maze array of natural numbers A081349. A81351