Properties of the Number 28885

Twenty-Eight Thousand Eight Hundred Eighty-Five

Basics

Value: 28884 → 28885 → 28886

Parity: odd

Prime: No

Previous Prime: 28879

Next Prime: 28901

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 5 × 53 × 109

Divisors: 1, 5, 53, 109, 265, 545, 5777, 28885

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111000011010101

Octal: 70325

Duodecimal: 14871

Hexadecimal: 70d5

Square: 834343225

Square Root: 169.95587662684687

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

Nonnegative values·of solutions (x, y) to the Diophantine equation x²+(x+287)² = y². A205644

T(n,k)=Rolling icosahedron footprints: number of nXk 0..11 arrays starting with 0 where 0..11 label vertices of an icosahedron and every array movement to a horizontal or vertical neighbor moves along an icosahedral edge. A223263

Number of vertices formed in a square by straight line segments when connecting the four corner vertices to the points dividing the sides into n equal parts. A355949

Numbers k whose sum of digits exceeds the sum of the digits of k³. A64209

Numbers k such that A007953(k) >= A007953(k³), where A007953 = digital sum in base 10. A204324

a(n) = n⁴ + 324. A272298

Number of partitions n such that the multiplicity of the number of even parts is a part. A240540

Numerators of coefficients in expansion of (cos(sqrt x))/(1 - x - x²). A279330

Numbers k such that k and k² use only the digits 2, 3, 4, 5 and 8. A137069

Rolling icosahedron footprints: number of n X 3 0..11 arrays starting with 0 where 0..11 label vertices of an icosahedron and every array movement to a horizontal or vertical neighbor moves along an icosahedral edge. A223258