Properties of the Number 28198

Twenty-Eight Thousand One Hundred Ninety-Eight

Basics

Value: 28197 → 28198 → 28199

Parity: even

Prime: No

Previous Prime: 28183

Next Prime: 28201

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 × 23 × 613

Divisors: 1, 2, 23, 46, 613, 1226, 14099, 28198

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110111000100110

Octal: 67046

Duodecimal: 1439A

Hexadecimal: 6e26

Square: 795127204

Square Root: 167.92260121853758

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) = (n³ - 2·n² + 3·n + 2)/2. A189890

Number of lower triangles of a 4 X 4 0..n array with each element differing from all of its diagonal, vertical, antidiagonal and horizontal neighbors by one or less. A195234

Number of strings of n distinct digits from 1-9 that are the last n digits of a square in base 10. A36756

Moebius transform of Fibonacci numbers. A7436

Expansion of 1/((1-5x)(1-9x)(1-11x)(1-12x)). A28198