Properties of the Number 28289

Twenty-Eight Thousand Two Hundred Eighty-Nine

Basics

Value: 28288 → 28289 → 28290

Parity: odd

Prime: Yes

Previous Prime: 28283

Next Prime: 28297

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 28289

Divisors: 1, 28289

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110111010000001

Octal: 67201

Duodecimal: 14455

Hexadecimal: 6e81

Square: 800267521

Square Root: 168.19334112859522

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

Prime number spiral (clockwise, Northeast spoke). A54553

Father primes of order 11. A136080

Primes having only {2, 8, 9} as digits. A385790

Primes p2 such that p1³ + p2² is an average of twin primes and p1 < p2 are consecutive primes. A138755

Number of nonnegative integer matrices with sum of entries equal to n and no zero rows or columns, whose entries are all distinct. A321660

Primes of the form 384·k + 257. A229856

Primes which are the fourth element of a generalized Wieferich sequence. A179400

Numerators of continued fraction convergents to sqrt(337). A41636

Fourth term of weak prime sextet: p(m-2)-p(m-3) < p(m-1)-p(m-2) < p(m)-p(m-1) < p(m+1)-p(m) < p(m+2)-p(m+1). A54831

Primes of the form 256n+129. A105130