Properties of the Number 81363

Eighty-One Thousand Three Hundred Sixty-Three

Basics

Value: 81362 → 81363 → 81364

Parity: odd

Prime: No

Previous Prime: 81359

Next Prime: 81371

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 37 × 733

Divisors: 1, 3, 37, 111, 733, 2199, 27121, 81363

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011110111010011

Octal: 236723

Duodecimal: 3B103

Hexadecimal: 13dd3

Square: 6619937769

Square Root: 285.24200251716087

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

Row sums of triangle A131321. A131322

a(n) = ∑_k=0..n binomial(n+k,2k)*Fibonacci(2k+1). A166482

Numbers k such that R_k + 80 is prime, where R_k = 11...1 is the repunit (A002275) of length k. A256762

Smallest squarefree integer k such that Q(sqrt(k)) has class number n. A81363