Properties of the Number 28303

Twenty-Eight Thousand Three Hundred Three

Basics

Value: 28302 → 28303 → 28304

Parity: odd

Prime: No

Previous Prime: 28297

Next Prime: 28307

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 11 × 31 × 83

Divisors: 1, 11, 31, 83, 341, 913, 2573, 28303

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110111010001111

Octal: 67217

Duodecimal: 14467

Hexadecimal: 6e8f

Square: 801059809

Square Root: 168.23495475078894

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 partitions of 5n with equal nonzero number of parts congruent to each of 1, 2, 3 and 4 modulo 5. A46787

Number of maximal irredundant sets in the n-Andrásfai graph. A291053

Number of 2 X 2 matrices with all elements in {0,...,n} and prime permanent. A281090

a(n) is the sum of all symmetric peaks in the set of flattened Catalan words of length n. A372884

Number of partitions of 2·n into exactly n squarefree parts. A341153

Numbers k such that (7·10^k + 197)/3 is prime. A290115

a(n) = floor( binomial(n, floor(n/2))/(1 + ceiling(n/2)) ) (interpolates between Catalan numbers). A28303