Properties of the Number 28099

Twenty-Eight Thousand Ninety-Nine

Basics

Value: 28098 → 28099 → 28100

Parity: odd

Prime: Yes

Previous Prime: 28097

Next Prime: 28109

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 28099

Divisors: 1, 28099

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110110111000011

Octal: 66703

Duodecimal: 14317

Hexadecimal: 6dc3

Square: 789553801

Square Root: 167.62756336593336

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) = (-4·n³ + 27·n² - 20·n + 3)/3. A161711

A list of equal temperaments (equal divisions of the octave) whose nearest scale steps are closer and closer approximations to the ratios of three complementary pairs of simple musical tones: 7/6 and 12/7, 6/5 and 5/3 and 7/5 and 10/7. A60529

Prime p1 of consecutive primes p1, p2, where p2-p1=10, and p1, p2 are in different centuries. A160500

Lexicographically largest strictly increasing sequence of primes for which the continued square root map produces Feigenbaum's constant δ = 4.6692016... (A006890). A257809

Primes that remain prime through 3 iterations of function f(x) = 3x + 2. A23277

Primes that can be constructed by concatenating two squares >= 4. A345314

n is prime and is the sum of the first k primes for some k, start from 5. A155851

Primes of the form 10n² + 9. A201711

a(n) = prime(k+1) with k = n² + prime(n)². A243894

Greater of twin primes of (40n-23,40n-21). A244505