The Number

21028

Twenty-One Thousand and Twenty-Eight

In Base 3 Ternary Is

10012112113

The numbers with a 3 subscript use Base 3 Ternary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21025
10012112013
Twenty-One Thousand and Twenty-Five in Base 3 Ternary
21026
10012112023
Twenty-One Thousand and Twenty-Six in Base 3 Ternary
21027
10012112103
Twenty-One Thousand and Twenty-Seven in Base 3 Ternary
21029
10012112123
Twenty-One Thousand and Twenty-Nine in Base 3 Ternary
21030
10012112203
Twenty-One Thousand and Thirty in Base 3 Ternary
21031
10012112213
Twenty-One Thousand and Thirty-One in Base 3 Ternary

Scientific Notation

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

2.1028e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000000002210211010002101011121100120022113

The reciprocal of 21028 in Base 3 Ternary.

Palindrome?

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

The number 10012112113 is not a palindrome.

Not A Prime Number

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

Twenty-one thousand and twenty-eight is a composite number with 12 total factors (including 1 and itself).   See primes in Base 3 Ternary

A Composite

Composites have more than just these two factors.

Twenty-one thousand and twenty-eight is a composite number with 12 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-one thousand and twenty-eight has the following 3 prime factors:

2
23
Two in Base 3 Ternary
7
213
Seven in Base 3 Ternary
751
10002113
Seven Hundred and Fifty-One in Base 3 Ternary

Prime Factorization

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

232 · 2131 · 100021131 = 10012112113

Base Conversions

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