Properties of the Number 28487

Twenty-Eight Thousand Four Hundred Eighty-Seven

Basics

Value: 28486 → 28487 → 28488

Parity: odd

Prime: No

Previous Prime: 28477

Next Prime: 28493

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 61 × 467

Divisors: 1, 61, 467, 28487

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110111101000111

Octal: 67507

Duodecimal: 1459B

Hexadecimal: 6f47

Square: 811509169

Square Root: 168.78092309262917

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

a(n) is the initial transient (converted to base 10), before the periodic part, on the n-th diagonal from the left of rule-30 1-D cellular automaton, when started from a single ON cell, or -1 if there is no transient part. A364241

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 31 ones. A31799

Minimal peaks in digital expansions of π: positions of peaks equal to 1. A105275

Averages of four consecutive cubes. A173965

Number of binary arrays indicating the locations of trailing edge maxima of a random length-n 0..3 array extended with zeros and convolved with 1,2,2,1. A222106

Number of perfect matchings in graph C₁₆ X P_n. A28487