Properties of the Number 81089

Eighty-One Thousand Eighty-Nine

Basics

Value: 81088 → 81089 → 81090

Parity: odd

Prime: No

Previous Prime: 81083

Next Prime: 81097

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 131 × 619

Divisors: 1, 131, 619, 81089

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011110011000001

Octal: 236301

Duodecimal: 3AB15

Hexadecimal: 13cc1

Square: 6575425921

Square Root: 284.7613035508863

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

a(n) = T(8,n), array T given by A048505. A48513

Ratios of the terms of A081088: a(n) = A081088(n+1)/A081088(n); involves the partial quotients of a series of continued fractions that sum to unity. A81089