Properties of the Number 28173

Twenty-Eight Thousand One Hundred Seventy-Three

Basics

Value: 28172 → 28173 → 28174

Parity: odd

Prime: No

Previous Prime: 28163

Next Prime: 28181

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 9391

Divisors: 1, 3, 9391, 28173

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110111000001101

Octal: 67015

Duodecimal: 14379

Hexadecimal: 6e0d

Square: 793717929

Square Root: 167.84814565552995

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

Maximal coefficient of (1 - x) * (1 - x⁴) * (1 - x⁹) * ... * (1 - x^n²). A369728

Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 446", based on the 5-celled von Neumann neighborhood. A288338

Maximum of the absolute value of the coefficients of (1 - x) * (1 - x⁴) * (1 - x⁹) * ... * (1 - x^n²). A369986

a(n) is the smallest k such that the sum of the first k primes has exactly n prime factors, counting multiplicity. A385997

T(n,n+3), array T as in A047040; T(n+3,n), array T given by A047050. A47048

Number of planar n X n X n binary triangular grids symmetric under 120 degree rotation with no more than 2 ones in any 3 X 3 X 3 subtriangle. A153911

Expansion of 1/((1-5x)(1-6x)(1-8x)(1-12x)). A28173