Properties of the Number 28066

Twenty-Eight Thousand Sixty-Six

Basics

Value: 28065 → 28066 → 28067

Parity: even

Prime: No

Previous Prime: 28057

Next Prime: 28069

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 14033

Divisors: 1, 2, 14033, 28066

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110110110100010

Octal: 66642

Duodecimal: 142AA

Hexadecimal: 6da2

Square: 787700356

Square Root: 167.5291019494822

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

Numbers having four 4's in base 9. A43472

Sequence gives the Poincaré series [or Poincare series] of an ordinal Hodge algebra, or algebra with straightening law, for a ring that the braid group on four strands acts on. It is Cohen-Macaulay. A156231

k in S implies 2k-2, 3k-3 in S. A5661

Result of inserting the integers n = 0, 1, 2, ... in this order into an initially empty list, where n is inserted between the pair of consecutive elements with sum equal to n and minimal absolute difference, or at the end of the list if no such pair exists. A360447

Expansion of 1/((1-3x)(1-5x)(1-8x)(1-11x)). A28066