Properties of the Number 81889

Eighty-One Thousand Eight Hundred Eighty-Nine

Basics

Value: 81888 → 81889 → 81890

Parity: odd

Prime: No

Previous Prime: 81883

Next Prime: 81899

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 17 × 4817

Divisors: 1, 17, 4817, 81889

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011111111100001

Octal: 237741

Duodecimal: 3B481

Hexadecimal: 13fe1

Square: 6705808321

Square Root: 286.16254122438875

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 partitions of n² into distinct odd parts. A281489

Denominators of continued fraction convergents to sqrt(754). A42453

Least primitive root corresponding to A081888(n). A81889