Properties of the Number 60813

Sixty Thousand Eight Hundred Thirteen

Basics

Value: 60812 → 60813 → 60814

Parity: odd

Prime: No

Previous Prime: 60811

Next Prime: 60821

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 29 × 233

Divisors: 1, 3, 9, 29, 87, 233, 261, 699, 2097, 6757

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1110110110001101

Octal: 166615

Duodecimal: 2B239

Hexadecimal: ed8d

Square: 3698220969

Square Root: 246.60291969074495

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

If F(n) is the n-th Fibonacci number, then a(2n) = (F(2n+1) + F(n+2))/2 and a(2n+1) = (F(2n+2) + F(n+1))/2. A1224

Number of positive rational knots with 2n+1 crossings. A51450

Number of incongruent ways to tile a 3 X 2n room with 1x2 Tatami mats. At most 3 Tatami mats may meet at a point. A68928

Number of distinct ways to tile a 2 X n rectangle with dominoes (solutions are identified if they are rotations or reflections of each other). A60312

Duplicate of A001224. A102526

Triangle of rooted planar maps up to orientation-preserving isomorphisms. A46653

a(n) = (Fibonacci(2·n)-(-1)ⁿ*Fibonacci(n))/2. A49602

Expansion of 1/((1-x)³ (1-x²)² (1-x³) (1-x⁴)). A2626

Composite numbers with four prime factors (not necessarily distinct) whose concatenation yields a palindrome. A46453

Numbers whose square has more than 2/3 of its digits the same. A60813