Properties of the Number 28284

Twenty-Eight Thousand Two Hundred Eighty-Four

Basics

Value: 28283 → 28284 → 28285

Parity: even

Prime: No

Previous Prime: 28283

Next Prime: 28289

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 2357

Divisors: 1, 2, 3, 4, 6, 12, 2357, 4714, 7071, 9428

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110111001111100

Octal: 67174

Duodecimal: 14450

Hexadecimal: 6e7c

Square: 799984656

Square Root: 168.17847662528044

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

Number of integer partitions of the n-th semiprime into semiprimes. A338902

Number of partitions of n into parts not of the form 13k, 13k+4 or 13k-4. Also number of partitions with at most 3 parts of size 1 and differences between parts at distance 5 are greater than 1. A35952

Indices n such that A272464(n)=1. A272465

Elements to right of central elements in 4-Pascal triangle A028275. A28284