Nearby Numbers

Positive, nonzero integers within three units

28016

30b221

Twenty-Eight Thousand and Sixteen in Base 21 Unovigesimal

28017

30b321

Twenty-Eight Thousand and Seventeen in Base 21 Unovigesimal

28018

30b421

Twenty-Eight Thousand and Eightteen in Base 21 Unovigesimal

28020

30b621

Twenty-Eight Thousand and Twenty in Base 21 Unovigesimal

28021

30b721

Twenty-Eight Thousand and Twenty-One in Base 21 Unovigesimal

28022

30b821

Twenty-Eight Thousand and Twenty-Two in Base 21 Unovigesimal

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

2.8019e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0006jfkk895111f921

The reciprocal of 28019 in Base 21 Unovigesimal.

Palindrome?

A numerical palindrome has the same value when all of its digits are reversed.

The number 30b521 is not a palindrome.

A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Twenty-eight thousand and nineteen is the 3057th prime number.   See primes in Base 21 Unovigesimal

Not A Composite

Composites have more than just these two factors.

Twenty-Eight Thousand and Nineteen is not a composite number because it has exactly two factors: One and Twenty-Eight Thousand and Nineteen

Prime Factors

28019

30b521

Twenty-Eight Thousand and Nineteen in Base 21 Unovigesimal

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

30b5211 = 30b521

Base Conversions

The number twenty-eight thousand and nineteen in 35 different bases