Properties of the Number 66563

Sixty-Six Thousand Five Hundred Sixty-Three

Basics

Value: 66562 → 66563 → 66564

Parity: odd

Prime: No

Previous Prime: 66553

Next Prime: 66569

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 7 × 37 × 257

Divisors: 1, 7, 37, 257, 259, 1799, 9509, 66563

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000010000000011

Octal: 202003

Duodecimal: 3262B

Hexadecimal: 10403

Square: 4430632969

Square Root: 257.9980620082252

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

Composite squarefree numbers n such that p(i)+3 divides n-3, where p(i) are the prime factors of n. A225713

Chebyshev U(n,x) polynomial evaluated at x=129 = 3·43. A97734

Squarefree numbers k with largest prime factor = floor(sqrt(k)). A71311

Smallest number·such that φ(x) = φ(x(n)), where x(n) is the n-th arithmetic derivatives of·and·is not equal to x(n). A246775

a(n) = n⁴ + 4·n² + 3. A304726

Smallest Catalan number (A000108) divisible by n. A66563