The Number

28142

Twenty-Eight Thousand One Hundred and Forty-Two

In Base 18 Octodecimal Is

4ef818

The numbers with a 18 subscript use Base 18 Octodecimal notation.

For more familiar numbers: See Twenty-Eight Thousand One Hundred and Forty-Two in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

28139
4ef518
Twenty-Eight Thousand One Hundred and Thirty-Nine in Base 18 Octodecimal
28140
4ef618
Twenty-Eight Thousand One Hundred and Forty in Base 18 Octodecimal
28141
4ef718
Twenty-Eight Thousand One Hundred and Forty-One in Base 18 Octodecimal
28143
4ef918
Twenty-Eight Thousand One Hundred and Forty-Three in Base 18 Octodecimal
28144
4efa18
Twenty-Eight Thousand One Hundred and Forty-Four in Base 18 Octodecimal
28145
4efb18
Twenty-Eight Thousand One Hundred and Forty-Five in Base 18 Octodecimal

Scientific Notation

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

2.8142e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0003d2ac25hhf944a18

The reciprocal of 28142 in Base 18 Octodecimal.

Palindrome?

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

The number 4ef818 is not a palindrome.

Not A Prime Number

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

Twenty-eight thousand one hundred and forty-two is a composite number with 4 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Twenty-eight thousand one hundred and forty-two is a composite number with 4 total factors (including 1 and itself).

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number twenty-eight thousand one hundred and forty-two has the following 2 prime factors:

2
218
Two in Base 18 Octodecimal
14071
277d18
Fourteen Thousand and Seventy-One in Base 18 Octodecimal

Prime Factorization

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

2181 · 277d181 = 4ef818

Base Conversions

The number twenty-eight thousand one hundred and forty-two in 35 different bases