The Number

28121

Twenty-Eight Thousand One Hundred and Twenty-One

In Base 18 Octodecimal Is

4ee518

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

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

Nearby Numbers

Positive, nonzero integers within three units

28118
4ee218
Twenty-Eight Thousand One Hundred and Eightteen in Base 18 Octodecimal
28119
4ee318
Twenty-Eight Thousand One Hundred and Nineteen in Base 18 Octodecimal
28120
4ee418
Twenty-Eight Thousand One Hundred and Twenty in Base 18 Octodecimal
28122
4ee618
Twenty-Eight Thousand One Hundred and Twenty-Two in Base 18 Octodecimal
28123
4ee718
Twenty-Eight Thousand One Hundred and Twenty-Three in Base 18 Octodecimal
28124
4ee818
Twenty-Eight Thousand One Hundred and Twenty-Four in Base 18 Octodecimal

Scientific Notation

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

2.8121e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0003d38g9h925a8818

The reciprocal of 28121 in Base 18 Octodecimal.

Palindrome?

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

The number 4ee518 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 twenty-one 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 twenty-one 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 twenty-one has the following 2 prime factors:

61
3718
Sixty-One in Base 18 Octodecimal
461
17b18
Four Hundred and Sixty-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

37181 · 17b181 = 4ee518

Base Conversions

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