Properties of the Number 66573

Sixty-Six Thousand Five Hundred Seventy-Three

Basics

Value: 66572 → 66573 → 66574

Parity: odd

Prime: No

Previous Prime: 66571

Next Prime: 66587

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 13 × 569

Divisors: 1, 3, 9, 13, 39, 117, 569, 1707, 5121, 7397

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000010000001101

Octal: 202015

Duodecimal: 32639

Hexadecimal: 1040d

Square: 4431964329

Square Root: 258.0174412709342

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 noncrossing connected graphs with nodes on a circle having n edges. A65065

a(1) = 1; a(n+1) = ∑_d∣n 2^{n/d - 1} * a(d). A351405

Number of partitions of n that contain more prime parts than nonprime parts. A355225

Pairs (x, y), x < y, of f-amicable numbers where f(k) = floor(|k·sin(k)|) sorted by increasing y, then increasing x; f-amicable numbers are defined in A066511. A66573